public class ListUtil extends Object
| 构造器和说明 |
|---|
ListUtil() |
| 限定符和类型 | 方法和说明 |
|---|---|
static String[] |
convertListToArray(List<String> list)
list转为数组
|
static String |
convertToString(List<?> list,
String jointChar)
通过连接符转化为string
|
static String |
convertToString(Object[] array,
String jointChar)
通过连接符转化为string
|
static <S,T> List<T> |
copy(List<S> source,
Class<T> target)
复制List
|
static <T> List<T> |
distinct(List<T> list)
去重
|
static boolean |
isEmpty(List<?> list)
是否为空
|
static boolean |
isNotEmpty(List<?> list)
是否不为空
|
static <T> List<T> |
newList(T... ts) |
public static boolean isEmpty(List<?> list)
list - 检测对象public static boolean isNotEmpty(List<?> list)
list - 检测对象public static <S,T> List<T> copy(List<S> source, Class<T> target)
source - 被复制对象target - 目标Classpublic static String convertToString(List<?> list, String jointChar)
list - 被转化对象jointChar - 连接符public static String convertToString(Object[] array, String jointChar)
array - 被转化对象jointChar - 连接符public static String[] convertListToArray(List<String> list)
list - list@SafeVarargs public static <T> List<T> newList(T... ts)
Copyright © 2022. All rights reserved.