public final class MapUtils extends Object
Modifier and Type | Method and Description |
---|---|
static <X> boolean |
containsAllKeys(Map<? super X,?> target,
Collection<X> keys) |
static <X> boolean |
containsAllKeys(Map<? super X,?> target,
X[] keys) |
static <X> boolean |
containsAllValues(Map<?,? super X> target,
Collection<X> values) |
static <X> boolean |
containsAllValues(Map<?,? super X> target,
X[] values) |
static <X> boolean |
containsKey(Map<? super X,?> target,
X key) |
static <X> boolean |
containsValue(Map<?,? super X> target,
X value) |
static boolean |
isEmpty(Map<?,?> target) |
static int |
size(Map<?,?> target) |
public static int size(Map<?,?> target)
public static boolean isEmpty(Map<?,?> target)
public static <X> boolean containsKey(Map<? super X,?> target, X key)
public static <X> boolean containsAllKeys(Map<? super X,?> target, X[] keys)
public static <X> boolean containsAllKeys(Map<? super X,?> target, Collection<X> keys)
public static <X> boolean containsValue(Map<?,? super X> target, X value)
public static <X> boolean containsAllValues(Map<?,? super X> target, X[] values)
public static <X> boolean containsAllValues(Map<?,? super X> target, Collection<X> values)
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