Package it.unimi.dsi.fastutil.chars

Class CharSets.Singleton

java.lang.Object

java.util.AbstractCollection<Character>

it.unimi.dsi.fastutil.chars.AbstractCharCollection

it.unimi.dsi.fastutil.chars.AbstractCharSet

it.unimi.dsi.fastutil.chars.CharSets.Singleton

All Implemented Interfaces:

CharCollection, CharIterable, CharSet, Serializable, Cloneable, Iterable<Character>, Collection<Character>, Set<Character>

Direct Known Subclasses:

CharSortedSets.Singleton

Enclosing class:

CharSets

public static class CharSets.Singleton
extends AbstractCharSet
implements Serializable, Cloneable

An immutable class representing a type-specific singleton set.

This class may be useful to implement your own in case you subclass a type-specific set.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method	Description
boolean	addAll(CharCollection c)	Adds all elements of the given type-specific collection to this collection.
boolean	addAll(Collection<? extends Character> c)
Object	clone()
boolean	contains(char k)	Returns true if this collection contains the specified element.
CharListIterator	iterator()	Returns a type-specific iterator on the elements of this collection.
boolean	remove(char k)	Removes an element from this set.
boolean	removeAll(CharCollection c)	Remove from this collection all elements in the given type-specific collection.
boolean	removeAll(Collection<?> c)
boolean	retainAll(CharCollection c)	Retains in this collection only elements from the given type-specific collection.
boolean	retainAll(Collection<?> c)
int	size()

Methods inherited from class it.unimi.dsi.fastutil.chars.AbstractCharSet

equals, hashCode, rem

Methods inherited from class it.unimi.dsi.fastutil.chars.AbstractCharCollection

add, add, contains, containsAll, remove, toArray, toCharArray, toCharArray, toString

Methods inherited from class java.util.AbstractCollection

clear, containsAll, isEmpty, toArray, toArray

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface it.unimi.dsi.fastutil.chars.CharCollection

add, containsAll, removeIf, removeIf, toArray, toCharArray, toCharArray

Methods inherited from interface it.unimi.dsi.fastutil.chars.CharIterable

forEach, forEach

Methods inherited from interface it.unimi.dsi.fastutil.chars.CharSet

add, contains, remove

Methods inherited from interface java.util.Collection

parallelStream, stream, toArray

Methods inherited from interface java.util.Set

clear, containsAll, isEmpty, spliterator, toArray, toArray

Method Details

contains

public boolean contains(char k)

Description copied from class: AbstractCharCollection

Returns true if this collection contains the specified element.

This implementation iterates over the elements in the collection, looking for the specified element.

Specified by:

contains in interface CharCollection

Overrides:

contains in class AbstractCharCollection

See Also:

Collection.contains(Object)

remove

public boolean remove(char k)

Description copied from class: AbstractCharSet

Removes an element from this set.

Note that the corresponding method of a type-specific collection is rem(). This unfortunate situation is caused by the clash with the similarly named index-based method in the List interface. Delegates to the type-specific rem() method implemented by type-specific abstract Collection superclass.

Specified by:

remove in interface CharSet

Overrides:

remove in class AbstractCharSet

See Also:

Collection.remove(Object)

iterator

public CharListIterator iterator()

Description copied from interface: CharCollection

Returns a type-specific iterator on the elements of this collection.

Note that this specification strengthens the one given in Iterable.iterator(), which was already strengthened in the corresponding type-specific class, but was weakened by the fact that this interface extends Collection.

Specified by:

iterator in interface CharCollection

Specified by:

iterator in interface CharIterable

Specified by:

iterator in interface CharSet

Specified by:

iterator in interface Collection<Character>

Specified by:

iterator in interface Iterable<Character>

Specified by:

iterator in interface Set<Character>

Specified by:

iterator in class AbstractCharSet

Returns:

a type-specific iterator on the elements of this collection.

See Also:

Iterable.iterator()

size

public int size()

Specified by:

size in interface Collection<Character>

Specified by:

size in interface Set<Character>

Specified by:

size in class AbstractCollection<Character>

addAll

public boolean addAll(Collection<? extends Character> c)

Specified by:

addAll in interface Collection<Character>

Specified by:

addAll in interface Set<Character>

Overrides:

addAll in class AbstractCollection<Character>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<Character>

Specified by:

removeAll in interface Set<Character>

Overrides:

removeAll in class AbstractCollection<Character>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<Character>

Specified by:

retainAll in interface Set<Character>

Overrides:

retainAll in class AbstractCollection<Character>

addAll

public boolean addAll(CharCollection c)

Description copied from interface: CharCollection

Adds all elements of the given type-specific collection to this collection.

Specified by:

addAll in interface CharCollection

Overrides:

addAll in class AbstractCharCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection changed as a result of the call.

See Also:

Collection.addAll(Collection)

removeAll

public boolean removeAll(CharCollection c)

Description copied from interface: CharCollection

Remove from this collection all elements in the given type-specific collection.

Specified by:

removeAll in interface CharCollection

Overrides:

removeAll in class AbstractCharCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection changed as a result of the call.

See Also:

Collection.removeAll(Collection)

retainAll

public boolean retainAll(CharCollection c)

Description copied from interface: CharCollection

Retains in this collection only elements from the given type-specific collection.

Specified by:

retainAll in interface CharCollection

Overrides:

retainAll in class AbstractCharCollection

Parameters:

c - a type-specific collection.

Returns:

true if this collection changed as a result of the call.

See Also:

Collection.retainAll(Collection)

clone

public Object clone()