java.lang.Object
- com.helger.commons.collection.ArrayHelper

```
@Immutable
public final class ArrayHelper
extends Object
```
Provides additional helper methods for array handling.

Author:

Philip Helger

Field Summary

Fields
Modifier and Type	Field	Description
`static boolean[]`	`EMPTY_BOOLEAN_ARRAY`	Constant empty boolean array
`static Boolean[]`	`EMPTY_BOOLEAN_OBJ_ARRAY`	Constant empty boolean array
`static byte[]`	`EMPTY_BYTE_ARRAY`	Constant empty byte array
`static Byte[]`	`EMPTY_BYTE_OBJ_ARRAY`	Constant empty byte array
`static char[]`	`EMPTY_CHAR_ARRAY`	Constant empty char array
`static Character[]`	`EMPTY_CHAR_OBJ_ARRAY`	Constant empty char array
`static Class<?>[]`	`EMPTY_CLASS_ARRAY`	Constant empty Class<?
`static double[]`	`EMPTY_DOUBLE_ARRAY`	Constant empty double array
`static Double[]`	`EMPTY_DOUBLE_OBJ_ARRAY`	Constant empty double array
`static float[]`	`EMPTY_FLOAT_ARRAY`	Constant empty float array
`static Float[]`	`EMPTY_FLOAT_OBJ_ARRAY`	Constant empty float array
`static int[]`	`EMPTY_INT_ARRAY`	Constant empty int array
`static Integer[]`	`EMPTY_INT_OBJ_ARRAY`	Constant empty int array
`static long[]`	`EMPTY_LONG_ARRAY`	Constant empty long array
`static Long[]`	`EMPTY_LONG_OBJ_ARRAY`	Constant empty long array
`static Object[]`	`EMPTY_OBJECT_ARRAY`	Constant empty Object array
`static short[]`	`EMPTY_SHORT_ARRAY`	Constant empty short array
`static Short[]`	`EMPTY_SHORT_OBJ_ARRAY`	Constant empty short array
`static String[]`	`EMPTY_STRING_ARRAY`	Constant empty String array

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`contains(boolean[] aValues, boolean aSearchValue)`	Check if the passed search value is contained in the passed value array.
`static boolean`	`contains(byte[] aValues, byte aSearchValue)`	Check if the passed search value is contained in the passed value array.
`static boolean`	`contains(char[] aValues, char aSearchValue)`	Check if the passed search value is contained in the passed value array.
`static boolean`	`contains(double[] aValues, double aSearchValue)`	Check if the passed search value is contained in the passed value array.
`static boolean`	`contains(float[] aValues, float aSearchValue)`	Check if the passed search value is contained in the passed value array.
`static boolean`	`contains(int[] aValues, int aSearchValue)`	Check if the passed search value is contained in the passed value array.
`static boolean`	`contains(long[] aValues, long aSearchValue)`	Check if the passed search value is contained in the passed value array.
`static boolean`	`contains(short[] aValues, short aSearchValue)`	Check if the passed search value is contained in the passed value array.
`static <ELEMENTTYPE> boolean`	`contains(ELEMENTTYPE[] aValues, ELEMENTTYPE aSearchValue)`	Check if the passed search value is contained in the passed value array.
`static <ELEMENTTYPE> boolean`	`containsAny(ELEMENTTYPE[] aArray, Predicate<? super ELEMENTTYPE> aFilter)`
`static <T> boolean`	`containsAnyNullElement(T[] aArray)`	Check if the passed array contains at least one `null` element.
`static <T> boolean`	`containsOnlyNullElements(T[] aArray)`	Check if the passed array contains only `null` element.
`static <ELEMENTTYPE> ELEMENTTYPE`	`findFirst(ELEMENTTYPE[] aArray, Predicate<? super ELEMENTTYPE> aFilter)`
`static <ELEMENTTYPE> ELEMENTTYPE`	`findFirst(ELEMENTTYPE[] aArray, Predicate<? super ELEMENTTYPE> aFilter, ELEMENTTYPE aDefault)`
`static <ELEMENTTYPE,RETTYPE> RETTYPE`	`findFirstMapped(ELEMENTTYPE[] aArray, Predicate<? super ELEMENTTYPE> aFilter, Function<? super ELEMENTTYPE,RETTYPE> aMapper)`
`static <ELEMENTTYPE,RETTYPE> RETTYPE`	`findFirstMapped(ELEMENTTYPE[] aArray, Predicate<? super ELEMENTTYPE> aFilter, Function<? super ELEMENTTYPE,RETTYPE> aMapper, RETTYPE aDefault)`
`static <ELEMENTTYPE> void`	`forEach(ELEMENTTYPE[] aArray, Consumer<? super ELEMENTTYPE> aConsumer)`
`static <ELEMENTTYPE> void`	`forEach(ELEMENTTYPE[] aArray, ObjIntConsumer<? super ELEMENTTYPE> aConsumer)`
`static <ELEMENTTYPE> void`	`forEach(ELEMENTTYPE[] aArray, Predicate<? super ELEMENTTYPE> aFilter, Consumer<? super ELEMENTTYPE> aConsumer)`
`static boolean[]`	`getAllExcept(boolean[] aArray, boolean... aElementsToRemove)`	Get an array that contains all elements, except for the passed elements.
`static byte[]`	`getAllExcept(byte[] aArray, byte... aElementsToRemove)`	Get an array that contains all elements, except for the passed elements.
`static char[]`	`getAllExcept(char[] aArray, char... aElementsToRemove)`	Get an array that contains all elements, except for the passed elements.
`static double[]`	`getAllExcept(double[] aArray, double... aElementsToRemove)`	Get an array that contains all elements, except for the passed elements.
`static float[]`	`getAllExcept(float[] aArray, float... aElementsToRemove)`	Get an array that contains all elements, except for the passed elements.
`static int[]`	`getAllExcept(int[] aArray, int... aElementsToRemove)`	Get an array that contains all elements, except for the passed elements.
`static long[]`	`getAllExcept(long[] aArray, long... aElementsToRemove)`	Get an array that contains all elements, except for the passed elements.
`static short[]`	`getAllExcept(short[] aArray, short... aElementsToRemove)`	Get an array that contains all elements, except for the passed elements.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getAllExcept(ELEMENTTYPE[] aArray, ELEMENTTYPE... aElementsToRemove)`	Get an array that contains all elements, except for the passed elements.
`static boolean[]`	`getAllExceptFirst(boolean... aArray)`	Get an array that contains all elements, except for the first element.
`static boolean[]`	`getAllExceptFirst(boolean[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the first n elements.
`static byte[]`	`getAllExceptFirst(byte... aArray)`	Get an array that contains all elements, except for the first element.
`static byte[]`	`getAllExceptFirst(byte[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the first n elements.
`static char[]`	`getAllExceptFirst(char... aArray)`	Get an array that contains all elements, except for the first element.
`static char[]`	`getAllExceptFirst(char[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the first n elements.
`static double[]`	`getAllExceptFirst(double... aArray)`	Get an array that contains all elements, except for the first element.
`static double[]`	`getAllExceptFirst(double[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the first n elements.
`static float[]`	`getAllExceptFirst(float... aArray)`	Get an array that contains all elements, except for the first element.
`static float[]`	`getAllExceptFirst(float[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the first n elements.
`static int[]`	`getAllExceptFirst(int... aArray)`	Get an array that contains all elements, except for the first element.
`static int[]`	`getAllExceptFirst(int[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the first n elements.
`static long[]`	`getAllExceptFirst(long... aArray)`	Get an array that contains all elements, except for the first element.
`static long[]`	`getAllExceptFirst(long[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the first n elements.
`static short[]`	`getAllExceptFirst(short... aArray)`	Get an array that contains all elements, except for the first element.
`static short[]`	`getAllExceptFirst(short[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the first n elements.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getAllExceptFirst(ELEMENTTYPE... aArray)`	Get an array that contains all elements, except for the first element.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getAllExceptFirst(ELEMENTTYPE[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the first n elements.
`static boolean[]`	`getAllExceptLast(boolean... aArray)`	Get an array that contains all elements, except for the last element.
`static boolean[]`	`getAllExceptLast(boolean[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the last n elements.
`static byte[]`	`getAllExceptLast(byte... aArray)`	Get an array that contains all elements, except for the last element.
`static byte[]`	`getAllExceptLast(byte[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the last n elements.
`static char[]`	`getAllExceptLast(char... aArray)`	Get an array that contains all elements, except for the last element.
`static char[]`	`getAllExceptLast(char[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the last n elements.
`static double[]`	`getAllExceptLast(double... aArray)`	Get an array that contains all elements, except for the last element.
`static double[]`	`getAllExceptLast(double[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the last n elements.
`static float[]`	`getAllExceptLast(float... aArray)`	Get an array that contains all elements, except for the last element.
`static float[]`	`getAllExceptLast(float[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the last n elements.
`static int[]`	`getAllExceptLast(int... aArray)`	Get an array that contains all elements, except for the last element.
`static int[]`	`getAllExceptLast(int[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the last n elements.
`static long[]`	`getAllExceptLast(long... aArray)`	Get an array that contains all elements, except for the last element.
`static long[]`	`getAllExceptLast(long[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the last n elements.
`static short[]`	`getAllExceptLast(short... aArray)`	Get an array that contains all elements, except for the last element.
`static short[]`	`getAllExceptLast(short[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the last n elements.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getAllExceptLast(ELEMENTTYPE... aArray)`	Get an array that contains all elements, except for the last element.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getAllExceptLast(ELEMENTTYPE[] aArray, int nElementsToSkip)`	Get an array that contains all elements, except for the last n elements.
`static Object[]`	`getAsObjectArray(Collection<?> aCollection)`	Get the passed collection as an array of Object.
`static <ELEMENTTYPE> Class<? extends ELEMENTTYPE>`	`getComponentType(ELEMENTTYPE[] aArray)`	Get the component type of the array (the type of which the array is made up)
`static boolean[]`	`getConcatenated(boolean[] aHeadArray, boolean aTail)`	Get a new array that combines the passed array and the tail element.
`static boolean[]`	`getConcatenated(boolean[] aHeadArray, boolean... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static boolean[]`	`getConcatenated(boolean aHead, boolean... aTailArray)`	Get a new array that combines the passed head element and the array.
`static byte[]`	`getConcatenated(byte[] aHeadArray, byte aTail)`	Get a new array that combines the passed array and the tail element.
`static byte[]`	`getConcatenated(byte[] aHeadArray, byte... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static byte[]`	`getConcatenated(byte aHead, byte... aTailArray)`	Get a new array that combines the passed head element and the array.
`static char[][]`	`getConcatenated(char[][] aHeadArray, char[]... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static char[]`	`getConcatenated(char[] aHeadArray, char aTail)`	Get a new array that combines the passed array and the tail element.
`static char[]`	`getConcatenated(char[] aHeadArray, char... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static char[]`	`getConcatenated(char aHead, char... aTailArray)`	Get a new array that combines the passed head element and the array.
`static double[]`	`getConcatenated(double[] aHeadArray, double aTail)`	Get a new array that combines the passed array and the tail element.
`static double[]`	`getConcatenated(double[] aHeadArray, double... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static double[]`	`getConcatenated(double aHead, double... aTailArray)`	Get a new array that combines the passed head element and the array.
`static float[]`	`getConcatenated(float[] aHeadArray, float aTail)`	Get a new array that combines the passed array and the tail element.
`static float[]`	`getConcatenated(float[] aHeadArray, float... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static float[]`	`getConcatenated(float aHead, float... aTailArray)`	Get a new array that combines the passed head element and the array.
`static int[]`	`getConcatenated(int[] aHeadArray, int aTail)`	Get a new array that combines the passed array and the tail element.
`static int[]`	`getConcatenated(int[] aHeadArray, int... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static int[]`	`getConcatenated(int aHead, int... aTailArray)`	Get a new array that combines the passed head element and the array.
`static long[]`	`getConcatenated(long[] aHeadArray, long aTail)`	Get a new array that combines the passed array and the tail element.
`static long[]`	`getConcatenated(long[] aHeadArray, long... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static long[]`	`getConcatenated(long aHead, long... aTailArray)`	Get a new array that combines the passed head element and the array.
`static short[]`	`getConcatenated(short[] aHeadArray, short aTail)`	Get a new array that combines the passed array and the tail element.
`static short[]`	`getConcatenated(short[] aHeadArray, short... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static short[]`	`getConcatenated(short aHead, short... aTailArray)`	Get a new array that combines the passed head element and the array.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getConcatenated(ELEMENTTYPE[] aHeadArray, ELEMENTTYPE[] aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getConcatenated(ELEMENTTYPE[] aHeadArray, ELEMENTTYPE aTail, Class<ELEMENTTYPE> aClass)`	Get a new array that combines the passed array and the tail element.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getConcatenated(ELEMENTTYPE aHead, ELEMENTTYPE[] aTailArray, Class<ELEMENTTYPE> aClass)`	Get a new array that combines the passed head and the array.
`static String[]`	`getConcatenated(String[] aHeadArray, String aTail)`	Get a new array that combines the passed array and the tail element.
`static String[]`	`getConcatenated(String[] aHeadArray, String... aTailArray)`	Get a new array that combines the passed two arrays, maintaining the order.
`static String[]`	`getConcatenated(String aHead, String... aTailArray)`	Get a new array that combines the passed head element and the array.
`static boolean[]`	`getCopy(boolean... aArray)`	Get a 1:1 copy of the passed array.
`static boolean[]`	`getCopy(boolean[] aArray, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements.
`static boolean[]`	`getCopy(boolean[] aArray, int nStartIndex, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index.
`static byte[]`	`getCopy(byte... aArray)`	Get a 1:1 copy of the passed array.
`static byte[]`	`getCopy(byte[] aArray, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements.
`static byte[]`	`getCopy(byte[] aArray, int nStartIndex, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index.
`static char[]`	`getCopy(char... aArray)`	Get a 1:1 copy of the passed array.
`static char[]`	`getCopy(char[] aArray, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements.
`static char[]`	`getCopy(char[] aArray, int nStartIndex, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index.
`static double[]`	`getCopy(double... aArray)`	Get a 1:1 copy of the passed array.
`static double[]`	`getCopy(double[] aArray, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements.
`static double[]`	`getCopy(double[] aArray, int nStartIndex, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index.
`static float[]`	`getCopy(float... aArray)`	Get a 1:1 copy of the passed array.
`static float[]`	`getCopy(float[] aArray, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements.
`static float[]`	`getCopy(float[] aArray, int nStartIndex, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index.
`static int[]`	`getCopy(int... aArray)`	Get a 1:1 copy of the passed array.
`static int[]`	`getCopy(int[] aArray, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements.
`static int[]`	`getCopy(int[] aArray, int nStartIndex, int nLength)`	Get a 1:1 copy of the passed array.
`static long[]`	`getCopy(long... aArray)`
`static long[]`	`getCopy(long[] aArray, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements.
`static long[]`	`getCopy(long[] aArray, int nStartIndex, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index.
`static short[]`	`getCopy(short... aArray)`	Get a 1:1 copy of the passed array.
`static short[]`	`getCopy(short[] aArray, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements.
`static short[]`	`getCopy(short[] aArray, int nStartIndex, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getCopy(ELEMENTTYPE... aArray)`	Get a 1:1 copy of the passed array.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getCopy(ELEMENTTYPE[] aArray, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`getCopy(ELEMENTTYPE[] aArray, int nStartIndex, int nLength)`	Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index.
`static <ELEMENTTYPE> int`	`getCount(ELEMENTTYPE[] aArray, Predicate<? super ELEMENTTYPE> aFilter)`
`static boolean`	`getFirst(boolean[] aArray, boolean aDefaultValue)`	Get the first element of the array or the passed default if the passed array is empty.
`static byte`	`getFirst(byte[] aArray, byte aDefaultValue)`	Get the first element of the array or the passed default if the passed array is empty.
`static char`	`getFirst(char[] aArray, char aDefaultValue)`	Get the first element of the array or the passed default if the passed array is empty.
`static double`	`getFirst(double[] aArray, double aDefaultValue)`	Get the first element of the array or the passed default if the passed array is empty.
`static float`	`getFirst(float[] aArray, float aDefaultValue)`	Get the first element of the array or the passed default if the passed array is empty.
`static int`	`getFirst(int[] aArray, int aDefaultValue)`	Get the first element of the array or the passed default if the passed array is empty.
`static long`	`getFirst(long[] aArray, long aDefaultValue)`	Get the first element of the array or the passed default if the passed array is empty.
`static short`	`getFirst(short[] aArray, short aDefaultValue)`	Get the first element of the array or the passed default if the passed array is empty.
`static <ELEMENTTYPE> ELEMENTTYPE`	`getFirst(ELEMENTTYPE... aArray)`	Get the first element of the array or `null` if the passed array is empty.
`static <ELEMENTTYPE> ELEMENTTYPE`	`getFirst(ELEMENTTYPE[] aArray, ELEMENTTYPE aDefaultValue)`	Get the first element of the array or the passed default if the passed array is empty.
`static int`	`getFirstIndex(boolean[] aValues, boolean aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getFirstIndex(byte[] aValues, byte aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getFirstIndex(char[] aValues, char aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getFirstIndex(double[] aValues, double aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getFirstIndex(float[] aValues, float aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getFirstIndex(int[] aValues, int aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getFirstIndex(long[] aValues, long aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getFirstIndex(short[] aValues, short aSearchValue)`	Get the index of the passed search value in the passed value array.
`static <ELEMENTTYPE> int`	`getFirstIndex(ELEMENTTYPE[] aValues, ELEMENTTYPE aSearchValue)`	Get the index of the passed search value in the passed value array.
`static boolean`	`getLast(boolean[] aArray, boolean aDefaultValue)`	Get the last element of the array or the passed default if the passed array is empty.
`static byte`	`getLast(byte[] aArray, byte aDefaultValue)`	Get the last element of the array or the passed default if the passed array is empty.
`static char`	`getLast(char[] aArray, char aDefaultValue)`	Get the last element of the array or the passed default if the passed array is empty.
`static double`	`getLast(double[] aArray, double aDefaultValue)`	Get the last element of the array or the passed default if the passed array is empty.
`static float`	`getLast(float[] aArray, float aDefaultValue)`	Get the last element of the array or the passed default if the passed array is empty.
`static int`	`getLast(int[] aArray, int aDefaultValue)`	Get the last element of the array or the passed default if the passed array is empty.
`static long`	`getLast(long[] aArray, long aDefaultValue)`	Get the last element of the array or the passed default if the passed array is empty.
`static short`	`getLast(short[] aArray, short aDefaultValue)`	Get the last element of the array or the passed default if the passed array is empty.
`static <ELEMENTTYPE> ELEMENTTYPE`	`getLast(ELEMENTTYPE... aArray)`	Get the last element of the array or `null` if the passed array is empty.
`static <ELEMENTTYPE> ELEMENTTYPE`	`getLast(ELEMENTTYPE[] aArray, ELEMENTTYPE aDefaultValue)`	Get the last element of the array or the passed default if the passed array is empty.
`static int`	`getLastIndex(boolean[] aValues, boolean aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getLastIndex(byte[] aValues, byte aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getLastIndex(char[] aValues, char aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getLastIndex(double[] aValues, double aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getLastIndex(float[] aValues, float aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getLastIndex(int[] aValues, int aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getLastIndex(long[] aValues, long aSearchValue)`	Get the index of the passed search value in the passed value array.
`static int`	`getLastIndex(short[] aValues, short aSearchValue)`	Get the index of the passed search value in the passed value array.
`static <ELEMENTTYPE> int`	`getLastIndex(ELEMENTTYPE[] aValues, ELEMENTTYPE aSearchValue)`	Get the index of the passed search value in the passed value array.
`static <ELEMENTTYPE> ELEMENTTYPE`	`getSafeElement(ELEMENTTYPE[] aItems, int nIndex)`
`static <ELEMENTTYPE> ELEMENTTYPE`	`getSafeElement(ELEMENTTYPE[] aItems, int nIndex, ELEMENTTYPE aDefault)`
`static int`	`getSize(boolean... aArray)`
`static int`	`getSize(byte... aArray)`
`static int`	`getSize(char... aArray)`
`static int`	`getSize(double... aArray)`
`static int`	`getSize(float... aArray)`
`static int`	`getSize(int... aArray)`
`static int`	`getSize(long... aArray)`
`static int`	`getSize(short... aArray)`
`static <ELEMENTTYPE> int`	`getSize(ELEMENTTYPE... aArray)`
`static boolean`	`isArray(Object aObject)`	Check if the passed object is an array or not.
`static boolean`	`isArrayEquals(Object aHeadArray, Object aTailArray)`	Recursive equal comparison for arrays.
`static boolean`	`isEmpty(boolean... aArray)`
`static boolean`	`isEmpty(byte... aArray)`
`static boolean`	`isEmpty(char... aArray)`
`static boolean`	`isEmpty(double... aArray)`
`static boolean`	`isEmpty(float... aArray)`
`static boolean`	`isEmpty(int... aArray)`
`static boolean`	`isEmpty(long... aArray)`
`static boolean`	`isEmpty(short... aArray)`
`static <ELEMENTTYPE> boolean`	`isEmpty(ELEMENTTYPE... aArray)`
`static boolean`	`isNotEmpty(boolean... aArray)`
`static boolean`	`isNotEmpty(byte... aArray)`
`static boolean`	`isNotEmpty(char... aArray)`
`static boolean`	`isNotEmpty(double... aArray)`
`static boolean`	`isNotEmpty(float... aArray)`
`static boolean`	`isNotEmpty(int... aArray)`
`static boolean`	`isNotEmpty(long... aArray)`
`static boolean`	`isNotEmpty(short... aArray)`
`static <ELEMENTTYPE> boolean`	`isNotEmpty(ELEMENTTYPE... aArray)`
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`newArray(int nArraySize, ELEMENTTYPE aValue, Class<ELEMENTTYPE> aClass)`	Create a new array with a predefined number of elements containing the passed value.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`newArray(ELEMENTTYPE... aArray)`	Wrapper that allows vararg arguments and returns the array.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`newArray(Class<? extends ELEMENTTYPE> aClass, int nSize)`
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`newArray(Collection<? extends ELEMENTTYPE> aCollection, Class<ELEMENTTYPE> aClass)`	Create a new array with the elements in the passed collection..
`static <SRCTYPE,DSTTYPE> DSTTYPE[]`	`newArrayMapped(Collection<? extends SRCTYPE> aCollection, Function<? super SRCTYPE,? extends DSTTYPE> aMapper, Class<DSTTYPE> aDstClass)`
`static <SRCTYPE,DSTTYPE> DSTTYPE[]`	`newArrayMapped(SRCTYPE[] aArray, Function<? super SRCTYPE,? extends DSTTYPE> aMapper, Class<DSTTYPE> aDstClass)`
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`newArraySameType(ELEMENTTYPE[] aArray, int nSize)`	Create a new empty array with the same type as the passed array.
`static <ELEMENTTYPE> ELEMENTTYPE[]`	`newArraySingleElement(ELEMENTTYPE aElement, Class<ELEMENTTYPE> aClass)`	Wrapper that allows a single argument to be treated as an array.
`static boolean[]`	`newBooleanArray(boolean... aArray)`	Helper method to easily create an array from constant values.
`static byte[]`	`newByteArray(byte... aArray)`	Helper method to easily create an array from constant values.
`static char[]`	`newCharArray(char... aArray)`	Helper method to easily create an array from constant values.
`static double[]`	`newDoubleArray(double... aArray)`	Helper method to easily create an array from constant values.
`static float[]`	`newFloatArray(float... aArray)`	Helper method to easily create an array from constant values.
`static int[]`	`newIntArray(int... aArray)`	Helper method to easily create an array from constant values.
`static long[]`	`newLongArray(long... aArray)`	Helper method to easily create an array from constant values.
`static short[]`	`newShortArray(short... aArray)`	Helper method to easily create an array from constant values.
`static boolean`	`startsWith(byte[] aArray, byte[] aSearch)`
`static boolean`	`startsWith(byte[] aArray, byte[] aSearch, int nSearchOfs, int nSearchLen)`
`static boolean`	`startsWith(byte[] aArray, int nArrayLen, byte[] aSearch)`
`static boolean`	`startsWith(byte[] aArray, int nArrayLen, byte[] aSearch, int nSearchOfs, int nSearchLen)`
`static boolean`	`startsWith(byte[] aArray, int nArrayOfs, int nArrayLen, byte[] aSearch, int nSearchOfs, int nSearchLen)`
`static boolean`	`startsWith(char[] aArray, char[] aSearch)`
`static boolean`	`startsWith(char[] aArray, char[] aSearch, int nSearchOfs, int nSearchLen)`
`static boolean`	`startsWith(char[] aArray, int nArrayLen, char[] aSearch)`
`static boolean`	`startsWith(char[] aArray, int nArrayLen, char[] aSearch, int nSearchOfs, int nSearchLen)`
`static boolean`	`startsWith(char[] aArray, int nArrayOfs, int nArrayLen, char[] aSearch, int nSearchOfs, int nSearchLen)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

EMPTY_BOOLEAN_ARRAY

public static final boolean[] EMPTY_BOOLEAN_ARRAY

Constant empty boolean array

EMPTY_BYTE_ARRAY

public static final byte[] EMPTY_BYTE_ARRAY

Constant empty byte array

EMPTY_CHAR_ARRAY

public static final char[] EMPTY_CHAR_ARRAY

Constant empty char array

EMPTY_DOUBLE_ARRAY

public static final double[] EMPTY_DOUBLE_ARRAY

Constant empty double array

EMPTY_FLOAT_ARRAY

public static final float[] EMPTY_FLOAT_ARRAY

Constant empty float array

EMPTY_INT_ARRAY

public static final int[] EMPTY_INT_ARRAY

Constant empty int array

EMPTY_LONG_ARRAY

public static final long[] EMPTY_LONG_ARRAY

Constant empty long array

EMPTY_SHORT_ARRAY

public static final short[] EMPTY_SHORT_ARRAY

Constant empty short array

EMPTY_BOOLEAN_OBJ_ARRAY

public static final Boolean[] EMPTY_BOOLEAN_OBJ_ARRAY

Constant empty boolean array

EMPTY_BYTE_OBJ_ARRAY

public static final Byte[] EMPTY_BYTE_OBJ_ARRAY

Constant empty byte array

EMPTY_CHAR_OBJ_ARRAY

public static final Character[] EMPTY_CHAR_OBJ_ARRAY

Constant empty char array

EMPTY_DOUBLE_OBJ_ARRAY

public static final Double[] EMPTY_DOUBLE_OBJ_ARRAY

Constant empty double array

EMPTY_FLOAT_OBJ_ARRAY

public static final Float[] EMPTY_FLOAT_OBJ_ARRAY

Constant empty float array

EMPTY_INT_OBJ_ARRAY

public static final Integer[] EMPTY_INT_OBJ_ARRAY

Constant empty int array

EMPTY_LONG_OBJ_ARRAY

public static final Long[] EMPTY_LONG_OBJ_ARRAY

Constant empty long array

EMPTY_SHORT_OBJ_ARRAY

public static final Short[] EMPTY_SHORT_OBJ_ARRAY

Constant empty short array

EMPTY_OBJECT_ARRAY

public static final Object[] EMPTY_OBJECT_ARRAY

Constant empty Object array

EMPTY_STRING_ARRAY

public static final String[] EMPTY_STRING_ARRAY

Constant empty String array

EMPTY_CLASS_ARRAY

public static final Class<?>[] EMPTY_CLASS_ARRAY

Constant empty Class<?> array

Method Detail

getComponentType
```
@Nonnull
public static <ELEMENTTYPE> Class<? extends ELEMENTTYPE> getComponentType(@Nonnull
                                                                          ELEMENTTYPE[] aArray)
```
Get the component type of the array (the type of which the array is made up)

Type Parameters:

ELEMENTTYPE - The component type of the array

Parameters:

aArray - The array to get the type from. May not be null.

Returns:

The class that determines a single element of the array.

isArray
```
public static boolean isArray(@Nullable
                              Object aObject)
```
Check if the passed object is an array or not.

Parameters:

aObject - The object to be checked. May be null.

Returns:

true if the passed object is not null and represents an array.

getSize
```
@Nonnegative
public static int getSize(@Nullable
                          boolean... aArray)
```
Parameters:

aArray - The array who's size is to be queried. May be null.

Returns:

0 if the passed array is null - it's length otherwise.

getSize
```
@Nonnegative
public static int getSize(@Nullable
                          byte... aArray)
```
Parameters:

aArray - The array who's size is to be queried. May be null.

Returns:

0 if the passed array is null - it's length otherwise.

getSize
```
@Nonnegative
public static int getSize(@Nullable
                          char... aArray)
```
Parameters:

aArray - The array who's size is to be queried. May be null.

Returns:

0 if the passed array is null - it's length otherwise.

getSize
```
@Nonnegative
public static int getSize(@Nullable
                          double... aArray)
```
Parameters:

aArray - The array who's size is to be queried. May be null.

Returns:

0 if the passed array is null - it's length otherwise.

getSize
```
@Nonnegative
public static int getSize(@Nullable
                          float... aArray)
```
Parameters:

aArray - The array who's size is to be queried. May be null.

Returns:

0 if the passed array is null - it's length otherwise.

getSize
```
@Nonnegative
public static int getSize(@Nullable
                          int... aArray)
```
Parameters:

aArray - The array who's size is to be queried. May be null.

Returns:

0 if the passed array is null - it's length otherwise.

getSize
```
@Nonnegative
public static int getSize(@Nullable
                          long... aArray)
```
Parameters:

aArray - The array who's size is to be queried. May be null.

Returns:

0 if the passed array is null - it's length otherwise.

getSize
```
@Nonnegative
public static int getSize(@Nullable
                          short... aArray)
```
Parameters:

aArray - The array who's size is to be queried. May be null.

Returns:

0 if the passed array is null - it's length otherwise.

getSize

@Nonnegative
@SafeVarargs
public static <ELEMENTTYPE> int getSize(@Nullable
                                        ELEMENTTYPE... aArray)

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aArray - The array who's size is to be queried. May be null.
Returns:: 0 if the passed array is null - it's length otherwise.

isEmpty
```
public static boolean isEmpty(@Nullable
                              boolean... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

true if the passed array is null or empty.

isEmpty
```
public static boolean isEmpty(@Nullable
                              byte... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

true if the passed array is null or empty.

isEmpty
```
public static boolean isEmpty(@Nullable
                              char... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

true if the passed array is null or empty.

isEmpty
```
public static boolean isEmpty(@Nullable
                              double... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

true if the passed array is null or empty.

isEmpty
```
public static boolean isEmpty(@Nullable
                              float... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

true if the passed array is null or empty.

isEmpty
```
public static boolean isEmpty(@Nullable
                              int... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

true if the passed array is null or empty.

isEmpty
```
public static boolean isEmpty(@Nullable
                              long... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

true if the passed array is null or empty.

isEmpty
```
public static boolean isEmpty(@Nullable
                              short... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

true if the passed array is null or empty.

isEmpty

@SafeVarargs
public static <ELEMENTTYPE> boolean isEmpty(@Nullable
                                            ELEMENTTYPE... aArray)

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aArray - The array to be queried if it is empty. May be null.
Returns:: true if the passed array is null or empty.

isNotEmpty
```
public static boolean isNotEmpty(@Nullable
                                 boolean... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

false if the passed array is null or empty.

isNotEmpty
```
public static boolean isNotEmpty(@Nullable
                                 byte... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

false if the passed array is null or empty.

isNotEmpty
```
public static boolean isNotEmpty(@Nullable
                                 char... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

false if the passed array is null or empty.

isNotEmpty
```
public static boolean isNotEmpty(@Nullable
                                 double... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

false if the passed array is null or empty.

isNotEmpty
```
public static boolean isNotEmpty(@Nullable
                                 float... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

false if the passed array is null or empty.

isNotEmpty
```
public static boolean isNotEmpty(@Nullable
                                 int... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

false if the passed array is null or empty.

isNotEmpty
```
public static boolean isNotEmpty(@Nullable
                                 long... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

false if the passed array is null or empty.

isNotEmpty
```
public static boolean isNotEmpty(@Nullable
                                 short... aArray)
```
Parameters:

aArray - The array to be queried if it is empty. May be null.

Returns:

false if the passed array is null or empty.

isNotEmpty

@SafeVarargs
public static <ELEMENTTYPE> boolean isNotEmpty(@Nullable
                                               ELEMENTTYPE... aArray)

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aArray - The array to be queried if it is empty. May be null.
Returns:: false if the passed array is null or empty.

getFirstIndex

public static <ELEMENTTYPE> int getFirstIndex(@Nullable
                                              ELEMENTTYPE[] aValues,
                                              @Nullable
                                              ELEMENTTYPE aSearchValue)

Get the index of the passed search value in the passed value array.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aValues - The value array to be searched. May be null.; aSearchValue - The value to be searched. May be null.
Returns:: -1 if the searched value is not contained, a value ≥ 0 otherwise.

getFirstIndex
```
public static int getFirstIndex(@Nullable
                                boolean[] aValues,
                                boolean aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getFirstIndex
```
public static int getFirstIndex(@Nullable
                                byte[] aValues,
                                byte aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getFirstIndex
```
public static int getFirstIndex(@Nullable
                                char[] aValues,
                                char aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getFirstIndex
```
public static int getFirstIndex(@Nullable
                                double[] aValues,
                                double aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getFirstIndex
```
public static int getFirstIndex(@Nullable
                                float[] aValues,
                                float aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getFirstIndex
```
public static int getFirstIndex(@Nullable
                                int[] aValues,
                                int aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getFirstIndex
```
public static int getFirstIndex(@Nullable
                                long[] aValues,
                                long aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getFirstIndex
```
public static int getFirstIndex(@Nullable
                                short[] aValues,
                                short aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getLastIndex

public static <ELEMENTTYPE> int getLastIndex(@Nullable
                                             ELEMENTTYPE[] aValues,
                                             @Nullable
                                             ELEMENTTYPE aSearchValue)

Get the index of the passed search value in the passed value array.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aValues - The value array to be searched. May be null.; aSearchValue - The value to be searched. May be null.
Returns:: -1 if the searched value is not contained, a value ≥ 0 otherwise.

getLastIndex
```
public static int getLastIndex(@Nullable
                               boolean[] aValues,
                               boolean aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getLastIndex
```
public static int getLastIndex(@Nullable
                               byte[] aValues,
                               byte aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getLastIndex
```
public static int getLastIndex(@Nullable
                               char[] aValues,
                               char aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getLastIndex
```
public static int getLastIndex(@Nullable
                               double[] aValues,
                               double aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getLastIndex
```
public static int getLastIndex(@Nullable
                               float[] aValues,
                               float aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getLastIndex
```
public static int getLastIndex(@Nullable
                               int[] aValues,
                               int aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getLastIndex
```
public static int getLastIndex(@Nullable
                               long[] aValues,
                               long aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

getLastIndex
```
public static int getLastIndex(@Nullable
                               short[] aValues,
                               short aSearchValue)
```
Get the index of the passed search value in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

-1 if the searched value is not contained, a value ≥ 0 otherwise.

contains

public static <ELEMENTTYPE> boolean contains(@Nullable
                                             ELEMENTTYPE[] aValues,
                                             @Nullable
                                             ELEMENTTYPE aSearchValue)

Check if the passed search value is contained in the passed value array.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aValues - The value array to be searched. May be null.; aSearchValue - The value to be searched. May be null.
Returns:: true if the value array is not empty and the search value is contained - false otherwise.

contains
```
public static boolean contains(@Nullable
                               boolean[] aValues,
                               boolean aSearchValue)
```
Check if the passed search value is contained in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

true if the value array is not empty and the search value is contained - false otherwise.

contains
```
public static boolean contains(@Nullable
                               byte[] aValues,
                               byte aSearchValue)
```
Check if the passed search value is contained in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

true if the value array is not empty and the search value is contained - false otherwise.

contains
```
public static boolean contains(@Nullable
                               char[] aValues,
                               char aSearchValue)
```
Check if the passed search value is contained in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

true if the value array is not empty and the search value is contained - false otherwise.

contains
```
public static boolean contains(@Nullable
                               double[] aValues,
                               double aSearchValue)
```
Check if the passed search value is contained in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

true if the value array is not empty and the search value is contained - false otherwise.

contains
```
public static boolean contains(@Nullable
                               float[] aValues,
                               float aSearchValue)
```
Check if the passed search value is contained in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

true if the value array is not empty and the search value is contained - false otherwise.

contains
```
public static boolean contains(@Nullable
                               int[] aValues,
                               int aSearchValue)
```
Check if the passed search value is contained in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

true if the value array is not empty and the search value is contained - false otherwise.

contains
```
public static boolean contains(@Nullable
                               long[] aValues,
                               long aSearchValue)
```
Check if the passed search value is contained in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

true if the value array is not empty and the search value is contained - false otherwise.

contains
```
public static boolean contains(@Nullable
                               short[] aValues,
                               short aSearchValue)
```
Check if the passed search value is contained in the passed value array.

Parameters:

aValues - The value array to be searched. May be null.

aSearchValue - The value to be searched. May be null.

Returns:

true if the value array is not empty and the search value is contained - false otherwise.

getFirst
```
public static boolean getFirst(@Nullable
                               boolean[] aArray,
                               boolean aDefaultValue)
```
Get the first element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's first element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the first element if the passed array is not empty, the default value if the passed array is empty.

getFirst
```
public static byte getFirst(@Nullable
                            byte[] aArray,
                            byte aDefaultValue)
```
Get the first element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's first element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the first element if the passed array is not empty, the default value if the passed array is empty.

getFirst
```
public static char getFirst(@Nullable
                            char[] aArray,
                            char aDefaultValue)
```
Get the first element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's first element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the first element if the passed array is not empty, the default value if the passed array is empty.

getFirst
```
public static double getFirst(@Nullable
                              double[] aArray,
                              double aDefaultValue)
```
Get the first element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's first element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the first element if the passed array is not empty, the default value if the passed array is empty.

getFirst
```
public static float getFirst(@Nullable
                             float[] aArray,
                             float aDefaultValue)
```
Get the first element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's first element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the first element if the passed array is not empty, the default value if the passed array is empty.

getFirst
```
public static int getFirst(@Nullable
                           int[] aArray,
                           int aDefaultValue)
```
Get the first element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's first element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the first element if the passed array is not empty, the default value if the passed array is empty.

getFirst
```
public static long getFirst(@Nullable
                            long[] aArray,
                            long aDefaultValue)
```
Get the first element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's first element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the first element if the passed array is not empty, the default value if the passed array is empty.

getFirst
```
public static short getFirst(@Nullable
                             short[] aArray,
                             short aDefaultValue)
```
Get the first element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's first element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the first element if the passed array is not empty, the default value if the passed array is empty.

getFirst
```
@Nullable
@SafeVarargs
public static <ELEMENTTYPE> ELEMENTTYPE getFirst(@Nullable
                                                 ELEMENTTYPE... aArray)
```
Get the first element of the array or null if the passed array is empty.

Type Parameters:

ELEMENTTYPE - Array element type

Parameters:

aArray - The array who's first element is to be retrieved. May be null or empty.

Returns:

null if the passed array is null or empty - the first element otherwise (may also be null).

getFirst

@Nullable
public static <ELEMENTTYPE> ELEMENTTYPE getFirst(@Nullable
                                                 ELEMENTTYPE[] aArray,
                                                 @Nullable
                                                 ELEMENTTYPE aDefaultValue)

Get the first element of the array or the passed default if the passed array is empty.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aArray - The array who's first element is to be retrieved. May be null or empty.; aDefaultValue - The default value to be returned if the array is empty
Returns:: the first element if the passed array is not empty, the default value if the passed array is empty.

getLast
```
public static boolean getLast(@Nullable
                              boolean[] aArray,
                              boolean aDefaultValue)
```
Get the last element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's last element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the last element if the passed array is not empty, the default value if the passed array is empty.

getLast
```
public static byte getLast(@Nullable
                           byte[] aArray,
                           byte aDefaultValue)
```
Get the last element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's last element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the last element if the passed array is not empty, the default value if the passed array is empty.

getLast
```
public static char getLast(@Nullable
                           char[] aArray,
                           char aDefaultValue)
```
Get the last element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's last element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the last element if the passed array is not empty, the default value if the passed array is empty.

getLast
```
public static double getLast(@Nullable
                             double[] aArray,
                             double aDefaultValue)
```
Get the last element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's last element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the last element if the passed array is not empty, the default value if the passed array is empty.

getLast
```
public static float getLast(@Nullable
                            float[] aArray,
                            float aDefaultValue)
```
Get the last element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's last element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the last element if the passed array is not empty, the default value if the passed array is empty.

getLast
```
public static int getLast(@Nullable
                          int[] aArray,
                          int aDefaultValue)
```
Get the last element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's last element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the last element if the passed array is not empty, the default value if the passed array is empty.

getLast
```
public static long getLast(@Nullable
                           long[] aArray,
                           long aDefaultValue)
```
Get the last element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's last element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the last element if the passed array is not empty, the default value if the passed array is empty.

getLast
```
public static short getLast(@Nullable
                            short[] aArray,
                            short aDefaultValue)
```
Get the last element of the array or the passed default if the passed array is empty.

Parameters:

aArray - The array who's last element is to be retrieved. May be null or empty.

aDefaultValue - The default value to be returned if the array is empty

Returns:

the last element if the passed array is not empty, the default value if the passed array is empty.

getLast
```
@Nullable
@SafeVarargs
public static <ELEMENTTYPE> ELEMENTTYPE getLast(@Nullable
                                                ELEMENTTYPE... aArray)
```
Get the last element of the array or null if the passed array is empty.

Type Parameters:

ELEMENTTYPE - Array element type

Parameters:

aArray - The array who's last element is to be retrieved. May be null or empty.

Returns:

null if the passed array is null or empty - the last element otherwise (may also be null).

getLast

@Nullable
public static <ELEMENTTYPE> ELEMENTTYPE getLast(@Nullable
                                                ELEMENTTYPE[] aArray,
                                                @Nullable
                                                ELEMENTTYPE aDefaultValue)

Get the last element of the array or the passed default if the passed array is empty.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aArray - The array who's last element is to be retrieved. May be null or empty.; aDefaultValue - The default value to be returned if the array is empty
Returns:: the last element if the passed array is not empty, the default value if the passed array is empty.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static boolean[] getCopy(@Nullable
                                boolean... aArray)
```
Get a 1:1 copy of the passed array. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static boolean[] getCopy(@Nullable
                                boolean[] aArray,
                                @Nonnegative
                                int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, only the available number of elements in the source array are copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static boolean[] getCopy(@Nullable
                                boolean[] aArray,
                                @Nonnegative
                                int nStartIndex,
                                @Nonnegative
                                int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nStartIndex - The index where the copying should start. Must be >= 0!

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, an exception is thrown.

Returns:

null if the passed array is null - a non- null copy otherwise.

See Also:

System.arraycopy(Object, int, Object, int, int)

getCopy
```
@Nullable
@ReturnsMutableCopy
public static byte[] getCopy(@Nullable
                             byte... aArray)
```
Get a 1:1 copy of the passed array. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static byte[] getCopy(@Nullable
                             byte[] aArray,
                             @Nonnegative
                             int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, only the available number of elements in the source array are copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static byte[] getCopy(@Nullable
                             byte[] aArray,
                             @Nonnegative
                             int nStartIndex,
                             @Nonnegative
                             int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nStartIndex - The index where the copying should start. Must be >= 0!

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, an exception is thrown.

Returns:

null if the passed array is null - a non- null copy otherwise.

See Also:

System.arraycopy(Object, int, Object, int, int)

getCopy
```
@Nullable
@ReturnsMutableCopy
public static char[] getCopy(@Nullable
                             char... aArray)
```
Get a 1:1 copy of the passed array. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static char[] getCopy(@Nullable
                             char[] aArray,
                             @Nonnegative
                             int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, only the available number of elements in the source array are copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static char[] getCopy(@Nullable
                             char[] aArray,
                             @Nonnegative
                             int nStartIndex,
                             @Nonnegative
                             int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nStartIndex - The index where the copying should start. Must be >= 0!

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, an exception is thrown.

Returns:

null if the passed array is null - a non- null copy otherwise.

See Also:

System.arraycopy(Object, int, Object, int, int)

getCopy
```
@Nullable
@ReturnsMutableCopy
public static double[] getCopy(@Nullable
                               double... aArray)
```
Get a 1:1 copy of the passed array. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static double[] getCopy(@Nullable
                               double[] aArray,
                               @Nonnegative
                               int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, only the available number of elements in the source array are copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static double[] getCopy(@Nullable
                               double[] aArray,
                               @Nonnegative
                               int nStartIndex,
                               @Nonnegative
                               int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nStartIndex - The index where the copying should start. Must be >= 0!

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, an exception is thrown.

Returns:

null if the passed array is null - a non- null copy otherwise.

See Also:

System.arraycopy(Object, int, Object, int, int)

getCopy
```
@Nullable
@ReturnsMutableCopy
public static float[] getCopy(@Nullable
                              float... aArray)
```
Get a 1:1 copy of the passed array. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static float[] getCopy(@Nullable
                              float[] aArray,
                              @Nonnegative
                              int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, only the available number of elements in the source array are copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static float[] getCopy(@Nullable
                              float[] aArray,
                              @Nonnegative
                              int nStartIndex,
                              @Nonnegative
                              int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nStartIndex - The index where the copying should start. Must be >= 0!

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, an exception is thrown.

Returns:

null if the passed array is null - a non- null copy otherwise.

See Also:

System.arraycopy(Object, int, Object, int, int)

getCopy
```
@Nullable
@ReturnsMutableCopy
public static int[] getCopy(@Nullable
                            int... aArray)
```
Get a 1:1 copy of the passed array. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static int[] getCopy(@Nullable
                            int[] aArray,
                            @Nonnegative
                            int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, only the available number of elements in the source array are copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static int[] getCopy(@Nullable
                            int[] aArray,
                            @Nonnegative
                            int nStartIndex,
                            @Nonnegative
                            int nLength)
```
Get a 1:1 copy of the passed array. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nStartIndex - The index where the copying should start. Must be >= 0!

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, an exception is thrown.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy

@Nullable
@ReturnsMutableCopy
public static long[] getCopy(@Nullable
                             long... aArray)

getCopy
```
@Nullable
@ReturnsMutableCopy
public static long[] getCopy(@Nullable
                             long[] aArray,
                             @Nonnegative
                             int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, only the available number of elements in the source array are copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static long[] getCopy(@Nullable
                             long[] aArray,
                             @Nonnegative
                             int nStartIndex,
                             @Nonnegative
                             int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nStartIndex - The index where the copying should start. Must be >= 0!

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, an exception is thrown.

Returns:

null if the passed array is null - a non- null copy otherwise.

See Also:

System.arraycopy(Object, int, Object, int, int)

getCopy
```
@Nullable
@ReturnsMutableCopy
public static short[] getCopy(@Nullable
                              short... aArray)
```
Get a 1:1 copy of the passed array. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static short[] getCopy(@Nullable
                              short[] aArray,
                              @Nonnegative
                              int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, only the available number of elements in the source array are copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static short[] getCopy(@Nullable
                              short[] aArray,
                              @Nonnegative
                              int nStartIndex,
                              @Nonnegative
                              int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index. Nested elements are not deep-copied - the references are re-used!

Parameters:

aArray - The array to be copied.

nStartIndex - The index where the copying should start. Must be >= 0!

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, an exception is thrown.

Returns:

null if the passed array is null - a non- null copy otherwise.

See Also:

System.arraycopy(Object, int, Object, int, int)

getCopy
```
@Nullable
@ReturnsMutableCopy
@SafeVarargs
public static <ELEMENTTYPE> ELEMENTTYPE[] getCopy(@Nullable
                                                  ELEMENTTYPE... aArray)
```
Get a 1:1 copy of the passed array. Nested elements are not deep-copied - the references are re-used!

Type Parameters:

ELEMENTTYPE - Array element type

Parameters:

aArray - The array to be copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy
```
@Nullable
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] getCopy(@Nullable
                                                  ELEMENTTYPE[] aArray,
                                                  @Nonnegative
                                                  int nLength)
```
Get a 1:1 copy of the passed array using the passed number of array elements. Nested elements are not deep-copied - the references are re-used!

Type Parameters:

ELEMENTTYPE - Array element type

Parameters:

aArray - The array to be copied.

nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, only the available number of elements in the source array are copied.

Returns:

null if the passed array is null - a non- null copy otherwise.

getCopy

@Nullable
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] getCopy(@Nullable
                                                  ELEMENTTYPE[] aArray,
                                                  @Nonnegative
                                                  int nStartIndex,
                                                  @Nonnegative
                                                  int nLength)

Get a 1:1 copy of the passed array using the passed number of array elements starting at the specified index. Nested elements are not deep-copied - the references are re-used!

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aArray - The array to be copied.; nStartIndex - The index where the copying should start. Must be >= 0!; nLength - The number of elements to be copied into the new array. May not be < 0. If the passed number of elements exceeds the number of elements in the array, an exception is thrown.
Returns:: null if the passed array is null - a non- null copy otherwise.
See Also:: System.arraycopy(Object, int, Object, int, int)

getConcatenated

@Nullable
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] getConcatenated(@Nullable
                                                          ELEMENTTYPE[] aHeadArray,
                                                          @Nullable
                                                          ELEMENTTYPE[] aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated

@Nonnull
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] getConcatenated(@Nullable
                                                          ELEMENTTYPE aHead,
                                                          @Nullable
                                                          ELEMENTTYPE[] aTailArray,
                                                          @Nonnull
                                                          Class<ELEMENTTYPE> aClass)

Get a new array that combines the passed head and the array. The head element will be the first element of the created array.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aHead - The first element of the result array. If this element is null it will be inserted as such into the array!; aTailArray - The tail array. May be null.; aClass - The element class. Must be present, because in case both elements are null there would be no way to create a new array. May not be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated

@Nonnull
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] getConcatenated(@Nullable
                                                          ELEMENTTYPE[] aHeadArray,
                                                          @Nullable
                                                          ELEMENTTYPE aTail,
                                                          @Nonnull
                                                          Class<ELEMENTTYPE> aClass)

Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aHeadArray - The head array. May be null.; aTail - The last element of the result array. If this element is null it will be inserted as such into the array!; aClass - The element class. Must be present, because in case both elements are null there would be no way to create a new array. May not be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated

@Nullable
@ReturnsMutableCopy
public static boolean[] getConcatenated(@Nullable
                                        boolean[] aHeadArray,
                                        @Nullable
                                        boolean... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static boolean[] getConcatenated(boolean aHead,
                                        @Nullable
                                        boolean... aTailArray)
```
Get a new array that combines the passed head element and the array. The head element will be the first element of the created array.

Parameters:

aHead - The first element of the result array.

aTailArray - The tail array. May be null.

Returns:

A non-null array with all elements in the correct order.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static boolean[] getConcatenated(@Nullable
                                        boolean[] aHeadArray,
                                        boolean aTail)
```
Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Parameters:

aHeadArray - The head array. May be null.

aTail - The last element of the result array.

Returns:

A non-null array with all elements in the correct order.

getConcatenated

@Nullable
@ReturnsMutableCopy
public static byte[] getConcatenated(@Nullable
                                     byte[] aHeadArray,
                                     @Nullable
                                     byte... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static byte[] getConcatenated(byte aHead,
                                     @Nullable
                                     byte... aTailArray)
```
Get a new array that combines the passed head element and the array. The head element will be the first element of the created array.

Parameters:

aHead - The first element of the result array.

aTailArray - The tail array. May be null.

Returns:

A non-null array with all elements in the correct order.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static byte[] getConcatenated(@Nullable
                                     byte[] aHeadArray,
                                     byte aTail)
```
Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Parameters:

aHeadArray - The head array. May be null.

aTail - The last element of the result array.

Returns:

A non-null array with all elements in the correct order.

getConcatenated

@Nullable
@ReturnsMutableCopy
public static char[] getConcatenated(@Nullable
                                     char[] aHeadArray,
                                     @Nullable
                                     char... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated

@Nullable
@ReturnsMutableCopy
public static char[][] getConcatenated(@Nullable
                                       char[][] aHeadArray,
                                       @Nullable
                                       char[]... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static char[] getConcatenated(char aHead,
                                     @Nullable
                                     char... aTailArray)
```
Get a new array that combines the passed head element and the array. The head element will be the first element of the created array.

Parameters:

aHead - The first element of the result array.

aTailArray - The tail array. May be null.

Returns:

A non-null array with all elements in the correct order.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static char[] getConcatenated(@Nullable
                                     char[] aHeadArray,
                                     char aTail)
```
Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Parameters:

aHeadArray - The head array. May be null.

aTail - The last element of the result array.

Returns:

A non-null array with all elements in the correct order.

getConcatenated

@Nullable
@ReturnsMutableCopy
public static double[] getConcatenated(@Nullable
                                       double[] aHeadArray,
                                       @Nullable
                                       double... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static double[] getConcatenated(double aHead,
                                       @Nullable
                                       double... aTailArray)
```
Get a new array that combines the passed head element and the array. The head element will be the first element of the created array.

Parameters:

aHead - The first element of the result array.

aTailArray - The tail array. May be null.

Returns:

A non-null array with all elements in the correct order.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static double[] getConcatenated(@Nullable
                                       double[] aHeadArray,
                                       double aTail)
```
Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Parameters:

aHeadArray - The head array. May be null.

aTail - The last element of the result array.

Returns:

A non-null array with all elements in the correct order.

getConcatenated

@Nullable
@ReturnsMutableCopy
public static float[] getConcatenated(@Nullable
                                      float[] aHeadArray,
                                      @Nullable
                                      float... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static float[] getConcatenated(float aHead,
                                      @Nullable
                                      float... aTailArray)
```
Get a new array that combines the passed head element and the array. The head element will be the first element of the created array.

Parameters:

aHead - The first element of the result array.

aTailArray - The tail array. May be null.

Returns:

A non-null array with all elements in the correct order.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static float[] getConcatenated(@Nullable
                                      float[] aHeadArray,
                                      float aTail)
```
Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Parameters:

aHeadArray - The head array. May be null.

aTail - The last element of the result array.

Returns:

A non-null array with all elements in the correct order.

getConcatenated

@Nullable
@ReturnsMutableCopy
public static int[] getConcatenated(@Nullable
                                    int[] aHeadArray,
                                    @Nullable
                                    int... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static int[] getConcatenated(int aHead,
                                    @Nullable
                                    int... aTailArray)
```
Get a new array that combines the passed head element and the array. The head element will be the first element of the created array.

Parameters:

aHead - The first element of the result array.

aTailArray - The tail array. May be null.

Returns:

A non-null array with all elements in the correct order.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static int[] getConcatenated(@Nullable
                                    int[] aHeadArray,
                                    int aTail)
```
Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Parameters:

aHeadArray - The head array. May be null.

aTail - The last element of the result array.

Returns:

A non-null array with all elements in the correct order.

getConcatenated

@Nullable
@ReturnsMutableCopy
public static long[] getConcatenated(@Nullable
                                     long[] aHeadArray,
                                     @Nullable
                                     long... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static long[] getConcatenated(long aHead,
                                     @Nullable
                                     long... aTailArray)
```
Get a new array that combines the passed head element and the array. The head element will be the first element of the created array.

Parameters:

aHead - The first element of the result array.

aTailArray - The tail array. May be null.

Returns:

A non-null array with all elements in the correct order.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static long[] getConcatenated(@Nullable
                                     long[] aHeadArray,
                                     long aTail)
```
Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Parameters:

aHeadArray - The head array. May be null.

aTail - The last element of the result array.

Returns:

A non-null array with all elements in the correct order.

getConcatenated

@Nullable
@ReturnsMutableCopy
public static short[] getConcatenated(@Nullable
                                      short[] aHeadArray,
                                      @Nullable
                                      short... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static short[] getConcatenated(short aHead,
                                      @Nullable
                                      short... aTailArray)
```
Get a new array that combines the passed head element and the array. The head element will be the first element of the created array.

Parameters:

aHead - The first element of the result array.

aTailArray - The tail array. May be null.

Returns:

A non-null array with all elements in the correct order.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static short[] getConcatenated(@Nullable
                                      short[] aHeadArray,
                                      short aTail)
```
Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Parameters:

aHeadArray - The head array. May be null.

aTail - The last element of the result array.

Returns:

A non-null array with all elements in the correct order.

getConcatenated

@Nonnull
@ReturnsMutableCopy
public static String[] getConcatenated(@Nullable
                                       String[] aHeadArray,
                                       @Nullable
                                       String... aTailArray)

Get a new array that combines the passed two arrays, maintaining the order.

Parameters:: aHeadArray - The first array. May be null.; aTailArray - The second array. May be null.
Returns:: null if both array parameters are null - a non-null array with all elements in the correct order otherwise.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static String[] getConcatenated(String aHead,
                                       @Nullable
                                       String... aTailArray)
```
Get a new array that combines the passed head element and the array. The head element will be the first element of the created array.

Parameters:

aHead - The first element of the result array.

aTailArray - The tail array. May be null.

Returns:

A non-null array with all elements in the correct order.

getConcatenated
```
@Nonnull
@ReturnsMutableCopy
public static String[] getConcatenated(@Nullable
                                       String[] aHeadArray,
                                       String aTail)
```
Get a new array that combines the passed array and the tail element. The tail element will be the last element of the created array.

Parameters:

aHeadArray - The head array. May be null.

aTail - The last element of the result array.

Returns:

A non-null array with all elements in the correct order.

getAllExceptFirst
```
@Nullable
@ReturnsMutableCopy
@SafeVarargs
public static <ELEMENTTYPE> ELEMENTTYPE[] getAllExceptFirst(@Nullable
                                                            ELEMENTTYPE... aArray)
```
Get an array that contains all elements, except for the first element.

Type Parameters:

ELEMENTTYPE - Array element type

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the first element otherwise.

getAllExceptFirst

@Nullable
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] getAllExceptFirst(@Nullable
                                                            ELEMENTTYPE[] aArray,
                                                            @Nonnegative
                                                            int nElementsToSkip)

Get an array that contains all elements, except for the first n elements.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the first elements otherwise.

getAllExcept

@Nullable
@ReturnsMutableCopy
@SafeVarargs
public static <ELEMENTTYPE> ELEMENTTYPE[] getAllExcept(@Nullable
                                                       ELEMENTTYPE[] aArray,
                                                       @Nullable
                                                       ELEMENTTYPE... aElementsToRemove)

Get an array that contains all elements, except for the passed elements.

Type Parameters:: ELEMENTTYPE - Array element type
Parameters:: aArray - The source array. May be null.; aElementsToRemove - The elements to skip.
Returns:: null if the passed array is null. The original array, if no elements need to be skipped. A non- null copy of the array without the passed elements otherwise.

getAllExcept

@Nullable
@ReturnsMutableCopy
public static boolean[] getAllExcept(@Nullable
                                     boolean[] aArray,
                                     @Nullable
                                     boolean... aElementsToRemove)

Get an array that contains all elements, except for the passed elements.

Parameters:: aArray - The source array. May be null.; aElementsToRemove - The elements to skip.
Returns:: null if the passed array is null. The original array, if no elements need to be skipped. A non- null copy of the array without the passed elements otherwise.

getAllExcept
```
@Nullable
@ReturnsMutableCopy
public static byte[] getAllExcept(@Nullable
                                  byte[] aArray,
                                  @Nullable
                                  byte... aElementsToRemove)
```
Get an array that contains all elements, except for the passed elements.

Parameters:

aArray - The source array. May be null.

aElementsToRemove - The elements to skip.

Returns:

null if the passed array is null. The original array, if no elements need to be skipped. A non- null copy of the array without the passed elements otherwise.

getAllExcept
```
@Nullable
@ReturnsMutableCopy
public static char[] getAllExcept(@Nullable
                                  char[] aArray,
                                  @Nullable
                                  char... aElementsToRemove)
```
Get an array that contains all elements, except for the passed elements.

Parameters:

aArray - The source array. May be null.

aElementsToRemove - The elements to skip.

Returns:

null if the passed array is null. The original array, if no elements need to be skipped. A non- null copy of the array without the passed elements otherwise.

getAllExcept

@Nullable
@ReturnsMutableCopy
public static double[] getAllExcept(@Nullable
                                    double[] aArray,
                                    @Nullable
                                    double... aElementsToRemove)

Get an array that contains all elements, except for the passed elements.

Parameters:: aArray - The source array. May be null.; aElementsToRemove - The elements to skip.
Returns:: null if the passed array is null. The original array, if no elements need to be skipped. A non- null copy of the array without the passed elements otherwise.

getAllExcept
```
@Nullable
@ReturnsMutableCopy
public static float[] getAllExcept(@Nullable
                                   float[] aArray,
                                   @Nullable
                                   float... aElementsToRemove)
```
Get an array that contains all elements, except for the passed elements.

Parameters:

aArray - The source array. May be null.

aElementsToRemove - The elements to skip.

Returns:

null if the passed array is null. The original array, if no elements need to be skipped. A non- null copy of the array without the passed elements otherwise.

getAllExcept
```
@Nullable
@ReturnsMutableCopy
public static int[] getAllExcept(@Nullable
                                 int[] aArray,
                                 @Nullable
                                 int... aElementsToRemove)
```
Get an array that contains all elements, except for the passed elements.

Parameters:

aArray - The source array. May be null.

aElementsToRemove - The elements to skip.

Returns:

null if the passed array is null. The original array, if no elements need to be skipped. A non- null copy of the array without the passed elements otherwise.

getAllExcept
```
@Nullable
@ReturnsMutableCopy
public static long[] getAllExcept(@Nullable
                                  long[] aArray,
                                  @Nullable
                                  long... aElementsToRemove)
```
Get an array that contains all elements, except for the passed elements.

Parameters:

aArray - The source array. May be null.

aElementsToRemove - The elements to skip.

Returns:

null if the passed array is null. The original array, if no elements need to be skipped. A non- null copy of the array without the passed elements otherwise.

getAllExcept
```
@Nullable
@ReturnsMutableCopy
public static short[] getAllExcept(@Nullable
                                   short[] aArray,
                                   @Nullable
                                   short... aElementsToRemove)
```
Get an array that contains all elements, except for the passed elements.

Parameters:

aArray - The source array. May be null.

aElementsToRemove - The elements to skip.

Returns:

null if the passed array is null. The original array, if no elements need to be skipped. A non- null copy of the array without the passed elements otherwise.

getAllExceptFirst
```
@Nullable
@ReturnsMutableCopy
public static boolean[] getAllExceptFirst(@Nullable
                                          boolean... aArray)
```
Get an array that contains all elements, except for the first element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the first element otherwise.

getAllExceptFirst

@Nullable
@ReturnsMutableCopy
public static boolean[] getAllExceptFirst(@Nullable
                                          boolean[] aArray,
                                          @Nonnegative
                                          int nElementsToSkip)

Get an array that contains all elements, except for the first n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the first elements otherwise.

getAllExceptFirst
```
@Nullable
@ReturnsMutableCopy
public static byte[] getAllExceptFirst(@Nullable
                                       byte... aArray)
```
Get an array that contains all elements, except for the first element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the first element otherwise.

getAllExceptFirst

@Nullable
@ReturnsMutableCopy
public static byte[] getAllExceptFirst(@Nullable
                                       byte[] aArray,
                                       @Nonnegative
                                       int nElementsToSkip)

Get an array that contains all elements, except for the first n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the first elements otherwise.

getAllExceptFirst
```
@Nullable
@ReturnsMutableCopy
public static char[] getAllExceptFirst(@Nullable
                                       char... aArray)
```
Get an array that contains all elements, except for the first element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the first element otherwise.

getAllExceptFirst

@Nullable
@ReturnsMutableCopy
public static char[] getAllExceptFirst(@Nullable
                                       char[] aArray,
                                       @Nonnegative
                                       int nElementsToSkip)

Get an array that contains all elements, except for the first n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the first elements otherwise.

getAllExceptFirst
```
@Nullable
@ReturnsMutableCopy
public static double[] getAllExceptFirst(@Nullable
                                         double... aArray)
```
Get an array that contains all elements, except for the first element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the first element otherwise.

getAllExceptFirst

@Nullable
@ReturnsMutableCopy
public static double[] getAllExceptFirst(@Nullable
                                         double[] aArray,
                                         @Nonnegative
                                         int nElementsToSkip)

Get an array that contains all elements, except for the first n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the first elements otherwise.

getAllExceptFirst
```
@Nullable
@ReturnsMutableCopy
public static float[] getAllExceptFirst(@Nullable
                                        float... aArray)
```
Get an array that contains all elements, except for the first element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the first element otherwise.

getAllExceptFirst

@Nullable
@ReturnsMutableCopy
public static float[] getAllExceptFirst(@Nullable
                                        float[] aArray,
                                        @Nonnegative
                                        int nElementsToSkip)

Get an array that contains all elements, except for the first n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the first elements otherwise.

getAllExceptFirst
```
@Nullable
@ReturnsMutableCopy
public static int[] getAllExceptFirst(@Nullable
                                      int... aArray)
```
Get an array that contains all elements, except for the first element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the first element otherwise.

getAllExceptFirst

@Nullable
@ReturnsMutableCopy
public static int[] getAllExceptFirst(@Nullable
                                      int[] aArray,
                                      @Nonnegative
                                      int nElementsToSkip)

Get an array that contains all elements, except for the first n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the first elements otherwise.

getAllExceptFirst
```
@Nullable
@ReturnsMutableCopy
public static long[] getAllExceptFirst(@Nullable
                                       long... aArray)
```
Get an array that contains all elements, except for the first element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the first element otherwise.

getAllExceptFirst

@Nullable
@ReturnsMutableCopy
public static long[] getAllExceptFirst(@Nullable
                                       long[] aArray,
                                       @Nonnegative
                                       int nElementsToSkip)

Get an array that contains all elements, except for the first n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the first elements otherwise.

getAllExceptFirst
```
@Nullable
@ReturnsMutableCopy
public static short[] getAllExceptFirst(@Nullable
                                        short... aArray)
```
Get an array that contains all elements, except for the first element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the first element otherwise.

getAllExceptFirst

@Nullable
@ReturnsMutableCopy
public static short[] getAllExceptFirst(@Nullable
                                        short[] aArray,
                                        @Nonnegative
                                        int nElementsToSkip)

Get an array that contains all elements, except for the first n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the first elements otherwise.

getAllExceptLast
```
@Nullable
@ReturnsMutableCopy
@SafeVarargs
public static <ELEMENTTYPE> ELEMENTTYPE[] getAllExceptLast(@Nullable
                                                           ELEMENTTYPE... aArray)
```
Get an array that contains all elements, except for the last element.

Type Parameters:

ELEMENTTYPE - Array element type

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the last element otherwise.

getAllExceptLast

@Nullable
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] getAllExceptLast(@Nullable
                                                           ELEMENTTYPE[] aArray,
                                                           @Nonnegative
                                                           int nElementsToSkip)

Get an array that contains all elements, except for the last n elements.

Type Parameters:: ELEMENTTYPE - Type of element
Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the last elements otherwise.

getAllExceptLast
```
@Nullable
@ReturnsMutableCopy
public static boolean[] getAllExceptLast(@Nullable
                                         boolean... aArray)
```
Get an array that contains all elements, except for the last element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the last element otherwise.

getAllExceptLast

@Nullable
@ReturnsMutableCopy
public static boolean[] getAllExceptLast(@Nullable
                                         boolean[] aArray,
                                         @Nonnegative
                                         int nElementsToSkip)

Get an array that contains all elements, except for the last n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the last elements otherwise.

getAllExceptLast
```
@Nullable
@ReturnsMutableCopy
public static byte[] getAllExceptLast(@Nullable
                                      byte... aArray)
```
Get an array that contains all elements, except for the last element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the last element otherwise.

getAllExceptLast

@Nullable
@ReturnsMutableCopy
public static byte[] getAllExceptLast(@Nullable
                                      byte[] aArray,
                                      @Nonnegative
                                      int nElementsToSkip)

Get an array that contains all elements, except for the last n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the last elements otherwise.

getAllExceptLast
```
@Nullable
@ReturnsMutableCopy
public static char[] getAllExceptLast(@Nullable
                                      char... aArray)
```
Get an array that contains all elements, except for the last element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the last element otherwise.

getAllExceptLast

@Nullable
@ReturnsMutableCopy
public static char[] getAllExceptLast(@Nullable
                                      char[] aArray,
                                      @Nonnegative
                                      int nElementsToSkip)

Get an array that contains all elements, except for the last n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the last elements otherwise.

getAllExceptLast
```
@Nullable
@ReturnsMutableCopy
public static double[] getAllExceptLast(@Nullable
                                        double... aArray)
```
Get an array that contains all elements, except for the last element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the last element otherwise.

getAllExceptLast

@Nullable
@ReturnsMutableCopy
public static double[] getAllExceptLast(@Nullable
                                        double[] aArray,
                                        @Nonnegative
                                        int nElementsToSkip)

Get an array that contains all elements, except for the last n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the last elements otherwise.

getAllExceptLast
```
@Nullable
@ReturnsMutableCopy
public static float[] getAllExceptLast(@Nullable
                                       float... aArray)
```
Get an array that contains all elements, except for the last element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the last element otherwise.

getAllExceptLast

@Nullable
@ReturnsMutableCopy
public static float[] getAllExceptLast(@Nullable
                                       float[] aArray,
                                       @Nonnegative
                                       int nElementsToSkip)

Get an array that contains all elements, except for the last n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the last elements otherwise.

getAllExceptLast
```
@Nullable
@ReturnsMutableCopy
public static int[] getAllExceptLast(@Nullable
                                     int... aArray)
```
Get an array that contains all elements, except for the last element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the last element otherwise.

getAllExceptLast

@Nullable
@ReturnsMutableCopy
public static int[] getAllExceptLast(@Nullable
                                     int[] aArray,
                                     @Nonnegative
                                     int nElementsToSkip)

Get an array that contains all elements, except for the last n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the last elements otherwise.

getAllExceptLast
```
@Nullable
@ReturnsMutableCopy
public static long[] getAllExceptLast(@Nullable
                                      long... aArray)
```
Get an array that contains all elements, except for the last element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the last element otherwise.

getAllExceptLast

@Nullable
@ReturnsMutableCopy
public static long[] getAllExceptLast(@Nullable
                                      long[] aArray,
                                      @Nonnegative
                                      int nElementsToSkip)

Get an array that contains all elements, except for the last n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the last elements otherwise.

getAllExceptLast
```
@Nullable
@ReturnsMutableCopy
public static short[] getAllExceptLast(@Nullable
                                       short... aArray)
```
Get an array that contains all elements, except for the last element.

Parameters:

aArray - The source array. May be null.

Returns:

null if the passed array is null or has less than one element. A non-null copy of the array without the last element otherwise.

getAllExceptLast

@Nullable
@ReturnsMutableCopy
public static short[] getAllExceptLast(@Nullable
                                       short[] aArray,
                                       @Nonnegative
                                       int nElementsToSkip)

Get an array that contains all elements, except for the last n elements.

Parameters:: aArray - The source array. May be null.; nElementsToSkip - The number of elements to skip. Must be >= 0!
Returns:: null if the passed array is null or has ≤ elements than elements to be skipped. A non-null copy of the array without the last elements otherwise.

newBooleanArray

@Nullable
@ReturnsMutableObject("use getCopy otherwise")
public static boolean[] newBooleanArray(@Nullable
                                        boolean... aArray)

Helper method to easily create an array from constant values.

Parameters:: aArray - The list of values for the array. May be null.
Returns:: The passed array. null if the passed array was null.

newByteArray
```
@Nullable
@ReturnsMutableObject("use getCopy otherwise")
public static byte[] newByteArray(@Nullable
                                  byte... aArray)
```
Helper method to easily create an array from constant values.

Parameters:

aArray - The list of values for the array. May be null.

Returns:

The passed array. null if the passed array was null.

newCharArray
```
@Nullable
@ReturnsMutableObject("use getCopy otherwise")
public static char[] newCharArray(@Nullable
                                  char... aArray)
```
Helper method to easily create an array from constant values.

Parameters:

aArray - The list of values for the array. May be null.

Returns:

The passed array. null if the passed array was null.

newDoubleArray

@Nullable
@ReturnsMutableObject("use getCopy otherwise")
public static double[] newDoubleArray(@Nullable
                                      double... aArray)

Helper method to easily create an array from constant values.

Parameters:: aArray - The list of values for the array. May be null.
Returns:: The passed array. null if the passed array was null.

newFloatArray

@Nullable
@ReturnsMutableObject("use getCopy otherwise")
public static float[] newFloatArray(@Nullable
                                    float... aArray)

Helper method to easily create an array from constant values.

Parameters:: aArray - The list of values for the array. May be null.
Returns:: The passed array. null if the passed array was null.

newIntArray
```
@Nullable
@ReturnsMutableObject("use getCopy otherwise")
public static int[] newIntArray(@Nullable
                                int... aArray)
```
Helper method to easily create an array from constant values.

Parameters:

aArray - The list of values for the array. May be null.

Returns:

The passed array. null if the passed array was null.

newLongArray
```
@Nullable
@ReturnsMutableObject("use getCopy otherwise")
public static long[] newLongArray(@Nullable
                                  long... aArray)
```
Helper method to easily create an array from constant values.

Parameters:

aArray - The list of values for the array. May be null.

Returns:

The passed array. null if the passed array was null.

newShortArray

@Nullable
@ReturnsMutableObject("use getCopy otherwise")
public static short[] newShortArray(@Nullable
                                    short... aArray)

Helper method to easily create an array from constant values.

Parameters:: aArray - The list of values for the array. May be null.
Returns:: The passed array. null if the passed array was null.

newArray

@Nonnull
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] newArray(@Nonnull
                                                   Class<? extends ELEMENTTYPE> aClass,
                                                   @Nonnegative
                                                   int nSize)

newArraySameType

@Nonnull
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] newArraySameType(@Nonnull
                                                           ELEMENTTYPE[] aArray,
                                                           @Nonnegative
                                                           int nSize)

Create a new empty array with the same type as the passed array.

Type Parameters:: ELEMENTTYPE - Type of element
Parameters:: aArray - Source array. May not be null.; nSize - Destination size. Must be ≥ 0.
Returns:: Never null.

newArray

@Nonnull
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] newArray(@Nullable
                                                   Collection<? extends ELEMENTTYPE> aCollection,
                                                   @Nonnull
                                                   Class<ELEMENTTYPE> aClass)

Create a new array with the elements in the passed collection..

Type Parameters:: ELEMENTTYPE - Type of element
Parameters:: aCollection - The collection to be converted to an array. May be null .; aClass - The class of the elements inside the collection. May not be null.
Returns:: null if the passed collection is empty, a non- null array with all elements of the collection otherwise.

newArraySingleElement

@Nonnull
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] newArraySingleElement(@Nullable
                                                                ELEMENTTYPE aElement,
                                                                @Nonnull
                                                                Class<ELEMENTTYPE> aClass)

Wrapper that allows a single argument to be treated as an array.

Type Parameters:: ELEMENTTYPE - Type of element
Parameters:: aElement - The element to be converted to an array. May be null.; aClass - The class of the element. May not be null. Must be present because in case the passed element is null there is no way to determine the array component type!
Returns:: The created array and never null.

newArray
```
@Nonnull
@ReturnsMutableObject("use getCopy otherwise")
@SafeVarargs
public static <ELEMENTTYPE> ELEMENTTYPE[] newArray(@Nonnull
                                                   ELEMENTTYPE... aArray)
```
Wrapper that allows vararg arguments and returns the array.
Note: this implementation is not available for basic types, because the Eclipse compiler seems to have difficulties resolving vararg types correctly.

Type Parameters:

ELEMENTTYPE - Type of element

Parameters:

aArray - The vararg array

Returns:

The wrapped array

newArray

@Nonnull
@ReturnsMutableCopy
public static <ELEMENTTYPE> ELEMENTTYPE[] newArray(@Nonnegative
                                                   int nArraySize,
                                                   @Nonnull
                                                   ELEMENTTYPE aValue,
                                                   @Nonnull
                                                   Class<ELEMENTTYPE> aClass)

Create a new array with a predefined number of elements containing the passed value.

Type Parameters:: ELEMENTTYPE - The type of the array to be created.
Parameters:: nArraySize - The size of the array to be created.; aValue - The value to be set into each array element. May be null.; aClass - The value class. May not be null. Must be present in case the passed value is null.
Returns:: The created array filled with the given value.

newArrayMapped

@Nonnull
@ReturnsMutableCopy
public static <SRCTYPE,DSTTYPE> DSTTYPE[] newArrayMapped(@Nonnull
                                                               Collection<? extends SRCTYPE> aCollection,
                                                               @Nonnull
                                                               Function<? super SRCTYPE,? extends DSTTYPE> aMapper,
                                                               @Nonnull
                                                               Class<DSTTYPE> aDstClass)

newArrayMapped

@Nonnull
@ReturnsMutableCopy
public static <SRCTYPE,DSTTYPE> DSTTYPE[] newArrayMapped(@Nullable
                                                               SRCTYPE[] aArray,
                                                               @Nonnull
                                                               Function<? super SRCTYPE,? extends DSTTYPE> aMapper,
                                                               @Nonnull
                                                               Class<DSTTYPE> aDstClass)

getAsObjectArray
```
@Nullable
@ReturnsMutableCopy
public static Object[] getAsObjectArray(@Nullable
                                        Collection<?> aCollection)
```
Get the passed collection as an array of Object. If the passed collection is null or empty, an empty array is returned.

Parameters:

aCollection - The collection to be converted. May be null.

Returns:

Never null.

getSafeElement

@Nullable
public static <ELEMENTTYPE> ELEMENTTYPE getSafeElement(@Nullable
                                                       ELEMENTTYPE[] aItems,
                                                       int nIndex)

getSafeElement

@Nullable
public static <ELEMENTTYPE> ELEMENTTYPE getSafeElement(@Nullable
                                                       ELEMENTTYPE[] aItems,
                                                       int nIndex,
                                                       @Nullable
                                                       ELEMENTTYPE aDefault)

isArrayEquals

public static boolean isArrayEquals(@Nullable
                                    Object aHeadArray,
                                    @Nullable
                                    Object aTailArray)

Recursive equal comparison for arrays.

Parameters:: aHeadArray - First array. May be null.; aTailArray - Second array. May be null.
Returns:: true only if the arrays and all contained elements are recursively equal.

containsAnyNullElement
```
public static <T> boolean containsAnyNullElement(@Nullable
                                                 T[] aArray)
```
Check if the passed array contains at least one null element.

Type Parameters:

T - element type

Parameters:

aArray - The array to check. May be null.

Returns:

true only if the passed array is neither null nor empty and if at least one null element is contained.

containsOnlyNullElements
```
public static <T> boolean containsOnlyNullElements(@Nullable
                                                   T[] aArray)
```
Check if the passed array contains only null element.

Type Parameters:

T - element type

Parameters:

aArray - The array to check. May be null.

Returns:

true only if the passed array is neither null nor empty and if at least one null element is contained.

findFirst

@Nullable
public static <ELEMENTTYPE> ELEMENTTYPE findFirst(@Nullable
                                                  ELEMENTTYPE[] aArray,
                                                  @Nullable
                                                  Predicate<? super ELEMENTTYPE> aFilter)

findFirst

@Nullable
public static <ELEMENTTYPE> ELEMENTTYPE findFirst(@Nullable
                                                  ELEMENTTYPE[] aArray,
                                                  @Nullable
                                                  Predicate<? super ELEMENTTYPE> aFilter,
                                                  @Nullable
                                                  ELEMENTTYPE aDefault)

findFirstMapped

@Nullable
public static <ELEMENTTYPE,RETTYPE> RETTYPE findFirstMapped(@Nullable
                                                                  ELEMENTTYPE[] aArray,
                                                                  @Nullable
                                                                  Predicate<? super ELEMENTTYPE> aFilter,
                                                                  @Nonnull
                                                                  Function<? super ELEMENTTYPE,RETTYPE> aMapper)

findFirstMapped

@Nullable
public static <ELEMENTTYPE,RETTYPE> RETTYPE findFirstMapped(@Nullable
                                                                  ELEMENTTYPE[] aArray,
                                                                  @Nullable
                                                                  Predicate<? super ELEMENTTYPE> aFilter,
                                                                  @Nonnull
                                                                  Function<? super ELEMENTTYPE,RETTYPE> aMapper,
                                                                  @Nullable
                                                                  RETTYPE aDefault)

getCount

@Nonnegative
public static <ELEMENTTYPE> int getCount(@Nullable
                                         ELEMENTTYPE[] aArray,
                                         @Nullable
                                         Predicate<? super ELEMENTTYPE> aFilter)

containsAny

public static <ELEMENTTYPE> boolean containsAny(@Nullable
                                                ELEMENTTYPE[] aArray,
                                                @Nullable
                                                Predicate<? super ELEMENTTYPE> aFilter)

forEach

public static <ELEMENTTYPE> void forEach(@Nullable
                                         ELEMENTTYPE[] aArray,
                                         @Nonnull
                                         Consumer<? super ELEMENTTYPE> aConsumer)

forEach

public static <ELEMENTTYPE> void forEach(@Nullable
                                         ELEMENTTYPE[] aArray,
                                         @Nonnull
                                         ObjIntConsumer<? super ELEMENTTYPE> aConsumer)

forEach

public static <ELEMENTTYPE> void forEach(@Nullable
                                         ELEMENTTYPE[] aArray,
                                         @Nullable
                                         Predicate<? super ELEMENTTYPE> aFilter,
                                         @Nonnull
                                         Consumer<? super ELEMENTTYPE> aConsumer)

startsWith

public static boolean startsWith(@Nonnull
                                 byte[] aArray,
                                 @Nullable
                                 byte[] aSearch)

startsWith

public static boolean startsWith(@Nonnull
                                 byte[] aArray,
                                 @Nonnegative
                                 int nArrayLen,
                                 @Nullable
                                 byte[] aSearch)

startsWith

public static boolean startsWith(@Nonnull
                                 byte[] aArray,
                                 @Nullable
                                 byte[] aSearch,
                                 @Nonnegative
                                 int nSearchOfs,
                                 @Nonnegative
                                 int nSearchLen)

startsWith

public static boolean startsWith(@Nonnull
                                 byte[] aArray,
                                 @Nonnegative
                                 int nArrayLen,
                                 @Nullable
                                 byte[] aSearch,
                                 @Nonnegative
                                 int nSearchOfs,
                                 @Nonnegative
                                 int nSearchLen)

startsWith

public static boolean startsWith(@Nonnull
                                 byte[] aArray,
                                 @Nonnegative
                                 int nArrayOfs,
                                 @Nonnegative
                                 int nArrayLen,
                                 @Nullable
                                 byte[] aSearch,
                                 @Nonnegative
                                 int nSearchOfs,
                                 @Nonnegative
                                 int nSearchLen)

startsWith

public static boolean startsWith(@Nonnull
                                 char[] aArray,
                                 @Nullable
                                 char[] aSearch)

startsWith

public static boolean startsWith(@Nonnull
                                 char[] aArray,
                                 @Nonnegative
                                 int nArrayLen,
                                 @Nullable
                                 char[] aSearch)

startsWith

public static boolean startsWith(@Nonnull
                                 char[] aArray,
                                 @Nullable
                                 char[] aSearch,
                                 @Nonnegative
                                 int nSearchOfs,
                                 @Nonnegative
                                 int nSearchLen)

startsWith

public static boolean startsWith(@Nonnull
                                 char[] aArray,
                                 @Nonnegative
                                 int nArrayLen,
                                 @Nullable
                                 char[] aSearch,
                                 @Nonnegative
                                 int nSearchOfs,
                                 @Nonnegative
                                 int nSearchLen)

startsWith

public static boolean startsWith(@Nonnull
                                 char[] aArray,
                                 @Nonnegative
                                 int nArrayOfs,
                                 @Nonnegative
                                 int nArrayLen,
                                 @Nullable
                                 char[] aSearch,
                                 @Nonnegative
                                 int nSearchOfs,
                                 @Nonnegative
                                 int nSearchLen)

Class ArrayHelper

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

EMPTY_BOOLEAN_ARRAY

EMPTY_BYTE_ARRAY

EMPTY_CHAR_ARRAY

EMPTY_DOUBLE_ARRAY

EMPTY_FLOAT_ARRAY

EMPTY_INT_ARRAY

EMPTY_LONG_ARRAY

EMPTY_SHORT_ARRAY

EMPTY_BOOLEAN_OBJ_ARRAY

EMPTY_BYTE_OBJ_ARRAY

EMPTY_CHAR_OBJ_ARRAY

EMPTY_DOUBLE_OBJ_ARRAY

EMPTY_FLOAT_OBJ_ARRAY

EMPTY_INT_OBJ_ARRAY

EMPTY_LONG_OBJ_ARRAY

EMPTY_SHORT_OBJ_ARRAY

EMPTY_OBJECT_ARRAY

EMPTY_STRING_ARRAY

EMPTY_CLASS_ARRAY

Method Detail

getComponentType

isArray

getSize

getSize

getSize

getSize

getSize

getSize

getSize

getSize

getSize

isEmpty

isEmpty

isEmpty

isEmpty

isEmpty

isEmpty

isEmpty

isEmpty

isEmpty

isNotEmpty

isNotEmpty

isNotEmpty

isNotEmpty

isNotEmpty

isNotEmpty

isNotEmpty

isNotEmpty

isNotEmpty

getFirstIndex

getFirstIndex

getFirstIndex

getFirstIndex

getFirstIndex

getFirstIndex

getFirstIndex

getFirstIndex

getFirstIndex

getLastIndex

getLastIndex

getLastIndex

getLastIndex

getLastIndex

getLastIndex

getLastIndex

getLastIndex

getLastIndex

contains

contains

contains

contains

contains

contains

contains

contains