AbstractPatriciaTrie.KeySet

java.lang.Object

java.util.AbstractCollection<K>

java.util.AbstractSet<K>

org.apache.commons.collections4.trie.AbstractPatriciaTrie.KeySet

All Implemented Interfaces:: Iterable<K>, Collection<K>, Set<K>

Enclosing class:: AbstractPatriciaTrie<K,V>

private class AbstractPatriciaTrie.KeySet extends AbstractSet<K>

This is a key set view of the

invalid reference

Trie

as returned by Map.keySet().

Nested Class Summary

Nested Classes

Modifier and Type

Class

Description

private class

AbstractPatriciaTrie.KeySet.KeyIterator

An Iterator that returns Key Objects.
Constructor Summary

Constructors

Modifier

Constructor

Description

private

KeySet()
Method Summary

Modifier and Type

Method

Description

void

clear()

boolean

contains(Object o)

Iterator<K>

iterator()

boolean

remove(Object o)

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

Methods inherited from interface java.lang.Iterable
forEach

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

Constructor Details
- KeySet
  
  private KeySet()
Method Details
- 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>
- 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>
- contains
  
  public boolean contains(Object o)
  
  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 o)
  
  Specified by:
  
  remove in interface Collection<K>
  
  Specified by:
  
  remove in interface Set<K>
  
  Overrides:
  
  remove 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>