public class CollectionKit extends Object
| 构造器和说明 |
|---|
CollectionKit() |
| 限定符和类型 | 方法和说明 |
|---|---|
static <T> boolean |
isEmpty(Collection<T> collection)
Determines whether an collection is empty
|
static <T> boolean |
isEmpty(T[] array)
Determines whether an array is empty
|
static <T> boolean |
isNotEmpty(Collection<T> collection)
Determines whether an collection is not empty
|
static <T> boolean |
isNotEmpty(T[] array)
Determines whether an array is not empty
|
static <K,V> ConcurrentMap<K,V> |
newConcurrentMap()
New ConcurrentMap
|
static <K,V> ConcurrentMap<K,V> |
newConcurrentMap(int initialCapacity)
New ConcurrentMap and initialCapacity
|
static <T> List<T> |
newLists(T... values)
New List and add values
|
static <K,V> HashMap<K,V> |
newMap()
New HashMap
|
static <K,V> HashMap<K,V> |
newMap(int initialCapacity)
New HashMap and initialCapacity
|
static <T> Set<T> |
newSets(T... values)
New Set and add values
|
public static <T> boolean isEmpty(T[] array)
T - array typearray - array objectpublic static <T> boolean isNotEmpty(T[] array)
T - array typearray - array objectpublic static <T> boolean isEmpty(Collection<T> collection)
T - collection typecollection - collection objectpublic static <T> boolean isNotEmpty(Collection<T> collection)
T - collection typecollection - collection objectpublic static <K,V> HashMap<K,V> newMap()
K - HashMap Key typeV - HashMap Value typepublic static <K,V> HashMap<K,V> newMap(int initialCapacity)
K - HashMap Key typeV - HashMap Value typeinitialCapacity - initialCapacitypublic static <K,V> ConcurrentMap<K,V> newConcurrentMap()
K - ConcurrentMap Key typeV - ConcurrentMap Value typepublic static <K,V> ConcurrentMap<K,V> newConcurrentMap(int initialCapacity)
K - ConcurrentMap Key typeV - ConcurrentMap Value typeinitialCapacity - initialCapacity@SafeVarargs public static <T> List<T> newLists(T... values)
T - list typevalues - list values@SafeVarargs public static <T> Set<T> newSets(T... values)
T - set typevalues - set valuesCopyright © 2018. All rights reserved.