public class CollectionUtil extends Object
集合 utils
| 构造器和说明 |
|---|
CollectionUtil() |
| 限定符和类型 | 方法和说明 |
|---|---|
static boolean |
isEmpty(Collection collection) |
static boolean |
isEmpty(Map<?,?> map)
判断Map是否为空
|
static boolean |
isNotEmpty(Collection collection) |
static boolean |
isNotEmpty(Map<?,?> map)
判断Map是否不为空
|
public static boolean isEmpty(Collection collection)
public static boolean isNotEmpty(Collection collection)
public static boolean isEmpty(Map<?,?> map)
map - public static boolean isNotEmpty(Map<?,?> map)
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