# Uses of Class
java.util.concurrent.ConcurrentHashMap.KeySetView

Packages that use ConcurrentHashMap.KeySetView
Package
Description
java.util.concurrent
Utility classes commonly useful in concurrent programming.

## Uses of ConcurrentHashMap.KeySetView in java.util.concurrent

Methods in java.util.concurrent that return ConcurrentHashMap.KeySetView
Modifier and Type
Method
Description
`ConcurrentHashMap.KeySetView<K,V>`
ConcurrentHashMap.`keySet()`
Returns a `Set` view of the keys contained in this map.
`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(Collection)`).
`static <K> ConcurrentHashMap.KeySetView<K,Boolean>`
ConcurrentHashMap.`newKeySet()`
Creates a new `Set` backed by a ConcurrentHashMap from the given type to `Boolean.TRUE`.
`static <K> ConcurrentHashMap.KeySetView<K,Boolean>`
ConcurrentHashMap.`newKeySet(int initialCapacity)`
Creates a new `Set` backed by a ConcurrentHashMap from the given type to `Boolean.TRUE`.