ConcurrentHashMap.KeySetView<K,V> |
ConcurrentHashMap.keySet() |
Returns a Set view of the keys contained in this map.
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ConcurrentHashMap.KeySetView<K,V> |
ConcurrentHashMap.keySet(V mappedValue) |
Returns a Set view of the keys in this map, using the
given common mapped value for any additions (i.e., Collection.add(E) and Collection.addAll(java.util.Collection<? extends E>)).
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static <K> ConcurrentHashMap.KeySetView<K,java.lang.Boolean> |
ConcurrentHashMap.newKeySet() |
Creates a new Set backed by a ConcurrentHashMap
from the given type to Boolean.TRUE.
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static <K> ConcurrentHashMap.KeySetView<K,java.lang.Boolean> |
ConcurrentHashMap.newKeySet(int initialCapacity) |
Creates a new Set backed by a ConcurrentHashMap
from the given type to Boolean.TRUE.
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