public final class CollectionUtils
extends java.lang.Object
| Modifier and Type | Method and Description |
|---|---|
static <T> java.util.Collection<T> |
diff(java.util.Collection<T> c1,
java.util.Collection<T> c2) |
static <T> boolean |
isEmpty(java.util.Collection<T> c) |
static <K,V> boolean |
isEmpty(java.util.Map<K,V> m) |
static <S,T> java.util.Dictionary<S,T> |
singletonDictionary(S s,
T t) |
static <S,T> java.util.Dictionary<S,T> |
toDictionary(java.util.Map<S,T> map) |
public static <T> java.util.Collection<T> diff(java.util.Collection<T> c1,
java.util.Collection<T> c2)
public static <T> boolean isEmpty(java.util.Collection<T> c)
public static <K,V> boolean isEmpty(java.util.Map<K,V> m)
public static <S,T> java.util.Dictionary<S,T> singletonDictionary(S s,
T t)
public static <S,T> java.util.Dictionary<S,T> toDictionary(java.util.Map<S,T> map)