public final class Object2ObjectHashMap.KeySet extends AbstractSet<K> implements Serializable
Constructor and Description |
---|
KeySet() |
Modifier and Type | Method and Description |
---|---|
void |
clear() |
boolean |
contains(Object o) |
void |
forEach(Consumer<? super K> action) |
boolean |
isEmpty() |
Object2ObjectHashMap.KeyIterator |
iterator() |
int |
size() |
equals, hashCode, removeAll
add, addAll, containsAll, remove, retainAll, toArray, toArray, toString
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
add, addAll, containsAll, remove, retainAll, spliterator, toArray, toArray
parallelStream, removeIf, stream
public Object2ObjectHashMap.KeyIterator iterator()
public int size()
size
in interface Collection<K>
size
in interface Set<K>
size
in class AbstractCollection<K>
public boolean isEmpty()
isEmpty
in interface Collection<K>
isEmpty
in interface Set<K>
isEmpty
in class AbstractCollection<K>
public void clear()
clear
in interface Collection<K>
clear
in interface Set<K>
clear
in class AbstractCollection<K>
public boolean contains(Object o)
contains
in interface Collection<K>
contains
in interface Set<K>
contains
in class AbstractCollection<K>
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