AbstractHashedMap.KeySet (Apache Commons Collections 4.2 API)

java.lang.Object
- java.util.AbstractCollection<E>
- - java.util.AbstractSet<K>
  - - org.apache.commons.collections4.map.AbstractHashedMap.KeySet<K>

All Implemented Interfaces:

Iterable<K>, Collection<K>, Set<K>

Enclosing class:

AbstractHashedMap<K,V>
```
protected static class AbstractHashedMap.KeySet<K>
extends AbstractSet<K>
```
KeySet implementation.

Constructor Summary

Constructors
Modifier Constructor Description

protected KeySet(AbstractHashedMap<K,?> parent)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`clear()`
`boolean`	`contains(Object key)`
`Iterator<K>`	`iterator()`
`boolean`	`remove(Object key)`
`int`	`size()`

Methods inherited from class java.util.AbstractSet
equals, hashCode, removeAll

Methods inherited from class java.util.AbstractCollection
add, addAll, containsAll, isEmpty, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection
parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable
forEach

Methods inherited from interface java.util.Set
add, addAll, containsAll, isEmpty, retainAll, spliterator, toArray, toArray

- Constructor Detail
  - KeySet
```
protected KeySet(AbstractHashedMap<K,?> parent)
```
- Method Detail
  - size
```
public int size()
```
    Specified by:
    
    size in interface Collection<K>
    
    Specified by:
    
    size in interface Set<K>
    
    Specified by:
    
    size in class AbstractCollection<K>
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface Collection<K>
    
    Specified by:
    
    clear in interface Set<K>
    
    Overrides:
    
    clear in class AbstractCollection<K>
  - contains
```
public boolean contains(Object key)
```
    Specified by:
    
    contains in interface Collection<K>
    
    Specified by:
    
    contains in interface Set<K>
    
    Overrides:
    
    contains in class AbstractCollection<K>
  - remove
```
public boolean remove(Object key)
```
    Specified by:
    
    remove in interface Collection<K>
    
    Specified by:
    
    remove in interface Set<K>
    
    Overrides:
    
    remove in class AbstractCollection<K>
  - iterator
```
public Iterator<K> iterator()
```
    Specified by:
    
    iterator in interface Collection<K>
    
    Specified by:
    
    iterator in interface Iterable<K>
    
    Specified by:
    
    iterator in interface Set<K>
    
    Specified by:
    
    iterator in class AbstractCollection<K>