com.alee.utils.map

Class AbstractHashMap.KeySet<K,V>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<K>

com.alee.utils.map.AbstractHashMap.KeySet<K,V>

Type Parameters:

K - the type of keys maintained by this map

V - the type of mapped values

All Implemented Interfaces:

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

Enclosing class:

AbstractHashMap<K,V>

protected static class AbstractHashMap.KeySet<K,V>
extends AbstractSet<K>

KeySet implementation.

Field Summary

Fields

Modifier and Type	Field and Description
protected AbstractHashMap<K,V>	parent The parent map

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	KeySet(AbstractHashMap<K,V> parent) Constructs new AbstractHashMap.KeySet.

Method Summary

Modifier and Type	Method and 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.Set

add, addAll, containsAll, isEmpty, retainAll, spliterator, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

parent

protected final AbstractHashMap<K,V> parent

The parent map

Constructor Detail

KeySet

protected KeySet(AbstractHashMap<K,V> parent)

Constructs new AbstractHashMap.KeySet.

Parameters:

parent - AbstractHashMap

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 Iterable<K>

Specified by:

iterator in interface Collection<K>

Specified by:

iterator in interface Set<K>

Specified by:

iterator in class AbstractCollection<K>