public final class CollectionUtils extends Object
| 限定符和类型 | 方法和说明 |
|---|---|
static <T> boolean |
isEmpty(Collection<T> collection) |
static <K,V> boolean |
isEmpty(Map<K,V> map) |
static <T> boolean |
isNotEmpty(Collection<T> collection) |
static <K,V> boolean |
isNotEmpty(Map<K,V> map) |
static <T> Stream<T> |
stream(Iterable<T> iterator) |
static <T> Stream<T> |
stream(Iterable<T> iterator,
boolean parallel) |
public static <T> boolean isEmpty(Collection<T> collection)
public static <T> boolean isNotEmpty(Collection<T> collection)
public static <K,V> boolean isEmpty(Map<K,V> map)
public static <K,V> boolean isNotEmpty(Map<K,V> map)
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