Package it.unimi.dsi.fastutil.ints

Class IntSets.Singleton

java.lang.Object

java.util.AbstractCollection<Integer>

it.unimi.dsi.fastutil.ints.AbstractIntCollection

it.unimi.dsi.fastutil.ints.AbstractIntSet

it.unimi.dsi.fastutil.ints.IntSets.Singleton

All Implemented Interfaces:

IntCollection, IntIterable, IntSet, Serializable, Cloneable, Iterable<Integer>, Collection<Integer>, Set<Integer>

Direct Known Subclasses:

IntSortedSets.Singleton

Enclosing class:

IntSets

public static class IntSets.Singleton
extends AbstractIntSet
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(IntCollection c)	Adds all elements of the given type-specific collection to this collection.
boolean	addAll(Collection<? extends Integer> c)
Object	clone()
boolean	contains(int k)	Returns true if this collection contains the specified element.
void	forEach(Consumer<? super Integer> action)	Deprecated.
void	forEach(IntConsumer action)	Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.
IntListIterator	iterator()	Returns a type-specific iterator on the elements of this collection.
boolean	remove(int k)	Removes an element from this set.
boolean	removeAll(IntCollection c)	Remove from this collection all elements in the given type-specific collection.
boolean	removeAll(Collection<?> c)
boolean	removeIf(IntPredicate filter)	Remove from this collection all elements which satisfy the given predicate.
boolean	removeIf(Predicate<? super Integer> filter)	Deprecated.
boolean	retainAll(IntCollection c)	Retains in this collection only elements from the given type-specific collection.
boolean	retainAll(Collection<?> c)
int	size()
IntSpliterator	spliterator()	Returns a type-specific spliterator on the elements of this set.
Object[]	toArray()	Deprecated.
int[]	toIntArray()	Returns a primitive type array containing the items of this collection.

Methods inherited from class it.unimi.dsi.fastutil.ints.AbstractIntSet

equals, hashCode, rem

Methods inherited from class it.unimi.dsi.fastutil.ints.AbstractIntCollection

add, add, contains, containsAll, containsAll, forEach, remove, removeIf, toArray, toIntArray, toString

Methods inherited from class java.util.AbstractCollection

clear, isEmpty, toArray

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

toArray

Methods inherited from interface it.unimi.dsi.fastutil.ints.IntCollection

add, containsAll, intIterator, intParallelStream, intSpliterator, intStream, parallelStream, removeIf, stream, toArray, toIntArray

Methods inherited from interface it.unimi.dsi.fastutil.ints.IntIterable

forEach

Methods inherited from interface it.unimi.dsi.fastutil.ints.IntSet

add, contains, remove

Methods inherited from interface java.util.Set

clear, containsAll, isEmpty, toArray

Method Details

contains

public boolean contains(int k)

Description copied from class: AbstractIntCollection

Returns true if this collection contains the specified element.

Specified by:

contains in interface IntCollection

Overrides:

contains in class AbstractIntCollection

See Also:

• Collection.contains(Object)

remove

public boolean remove(int k)

Description copied from class: AbstractIntSet

Removes an element from this set. Delegates to the type-specific rem() method implemented by type-specific abstract Collection superclass.

Specified by:

remove in interface IntSet

Overrides:

remove in class AbstractIntSet

See Also:

• Collection.remove(Object)

iterator

public IntListIterator iterator()

Description copied from interface: IntCollection

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

Specified by:

iterator in interface Collection<Integer>

Specified by:

iterator in interface IntCollection

Specified by:

iterator in interface IntIterable

Specified by:

iterator in interface IntSet

Specified by:

iterator in interface Iterable<Integer>

Specified by:

iterator in interface Set<Integer>

Specified by:

iterator in class AbstractIntSet

Returns:

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

See Also:

• Iterable.iterator()

spliterator

public IntSpliterator spliterator()

Description copied from interface: IntSet

Returns a type-specific spliterator on the elements of this set.

Set spliterators must report at least Spliterator.DISTINCT.

See Set.spliterator() for more documentation on the requirements of the returned spliterator.

Specified by:

spliterator in interface Collection<Integer>

Specified by:

spliterator in interface IntCollection

Specified by:

spliterator in interface IntIterable

Specified by:

spliterator in interface IntSet

Specified by:

spliterator in interface Iterable<Integer>

Specified by:

spliterator in interface Set<Integer>

Returns:

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

size

public int size()

Specified by:

size in interface Collection<Integer>

Specified by:

size in interface Set<Integer>

Specified by:

size in class AbstractCollection<Integer>

toIntArray

public int[] toIntArray()

Description copied from interface: IntCollection

Returns a primitive type array containing the items of this collection.

Specified by:

toIntArray in interface IntCollection

Overrides:

toIntArray in class AbstractIntCollection

Returns:

a primitive type array containing the items of this collection.

See Also:

• Collection.toArray()

forEach

@Deprecated
public void forEach(Consumer<? super Integer> action)

Deprecated.

Description copied from interface: IntIterable

Specified by:

forEach in interface IntIterable

Specified by:

forEach in interface Iterable<Integer>

addAll

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

Description copied from class: AbstractIntCollection

Specified by:

addAll in interface Collection<Integer>

Specified by:

addAll in interface Set<Integer>

Overrides:

addAll in class AbstractIntCollection

removeAll

public boolean removeAll(Collection<?> c)

Description copied from class: AbstractIntCollection

Specified by:

removeAll in interface Collection<Integer>

Specified by:

removeAll in interface Set<Integer>

Overrides:

removeAll in class AbstractIntCollection

retainAll

public boolean retainAll(Collection<?> c)

Description copied from class: AbstractIntCollection

Specified by:

retainAll in interface Collection<Integer>

Specified by:

retainAll in interface Set<Integer>

Overrides:

retainAll in class AbstractIntCollection

removeIf

@Deprecated
public boolean removeIf(Predicate<? super Integer> filter)

Deprecated.

Description copied from interface: IntCollection

Specified by:

removeIf in interface Collection<Integer>

Specified by:

removeIf in interface IntCollection

forEach

public void forEach(IntConsumer action)

Description copied from interface: IntIterable

Performs the given action for each element of this type-specific Iterable until all elements have been processed or the action throws an exception.

Specified by:

forEach in interface IntIterable

Parameters:

action - the action to be performed for each element.

See Also:

• Iterable.forEach(java.util.function.Consumer)

addAll

public boolean addAll(IntCollection c)

Description copied from interface: IntCollection

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

Specified by:

addAll in interface IntCollection

Overrides:

addAll in class AbstractIntCollection

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(IntCollection c)

Description copied from interface: IntCollection

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

Specified by:

removeAll in interface IntCollection

Overrides:

removeAll in class AbstractIntCollection

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(IntCollection c)

Description copied from interface: IntCollection

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

Specified by:

retainAll in interface IntCollection

Overrides:

retainAll in class AbstractIntCollection

Parameters:

c - a type-specific collection.

Returns:

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

See Also:

• Collection.retainAll(Collection)

removeIf

public boolean removeIf(IntPredicate filter)

Description copied from interface: IntCollection

Remove from this collection all elements which satisfy the given predicate.

Specified by:

removeIf in interface IntCollection

Parameters:

filter - a predicate which returns true for elements to be removed.

Returns:

true if any elements were removed.

See Also:

• Collection.removeIf(java.util.function.Predicate)

toArray

@Deprecated
public Object[] toArray()

Deprecated.

Specified by:

toArray in interface Collection<Integer>

Specified by:

toArray in interface Set<Integer>

Overrides:

toArray in class AbstractCollection<Integer>

clone

public Object clone()