Package it.unimi.dsi.fastutil.longs

Class LongSets.Singleton

java.lang.Object

java.util.AbstractCollection<Long>

it.unimi.dsi.fastutil.longs.AbstractLongCollection

it.unimi.dsi.fastutil.longs.AbstractLongSet

it.unimi.dsi.fastutil.longs.LongSets.Singleton

All Implemented Interfaces:

LongCollection, LongIterable, LongSet, Serializable, Cloneable, Iterable<Long>, Collection<Long>, Set<Long>

Direct Known Subclasses:

LongSortedSets.Singleton

Enclosing class:

LongSets

public static class LongSets.Singleton
extends AbstractLongSet
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(LongCollection c)	Adds all elements of the given type-specific collection to this collection.
boolean	addAll(Collection<? extends Long> c)
Object	clone()
boolean	contains(long k)	Returns true if this collection contains the specified element.
void	forEach(Consumer<? super Long> action)	Deprecated.
void	forEach(LongConsumer 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.
LongListIterator	iterator()	Returns a type-specific iterator on the elements of this collection.
boolean	remove(long k)	Removes an element from this set.
boolean	removeAll(LongCollection c)	Remove from this collection all elements in the given type-specific collection.
boolean	removeAll(Collection<?> c)
boolean	removeIf(LongPredicate filter)	Remove from this collection all elements which satisfy the given predicate.
boolean	removeIf(Predicate<? super Long> filter)	Deprecated.
boolean	retainAll(LongCollection c)	Retains in this collection only elements from the given type-specific collection.
boolean	retainAll(Collection<?> c)
int	size()
LongSpliterator	spliterator()	Returns a type-specific spliterator on the elements of this set.
Object[]	toArray()	Deprecated.
long[]	toLongArray()	Returns a primitive type array containing the items of this collection.

Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongSet

equals, hashCode, rem

Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLongCollection

add, add, contains, containsAll, containsAll, forEach, remove, removeIf, toArray, toLongArray, 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.longs.LongCollection

add, containsAll, longIterator, longParallelStream, longSpliterator, longStream, parallelStream, removeIf, stream, toArray, toLongArray

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongIterable

forEach

Methods inherited from interface it.unimi.dsi.fastutil.longs.LongSet

add, contains, remove

Methods inherited from interface java.util.Set

clear, containsAll, isEmpty, toArray

Method Details

contains

public boolean contains(long k)

Description copied from class: AbstractLongCollection

Returns true if this collection contains the specified element.

Specified by:

contains in interface LongCollection

Overrides:

contains in class AbstractLongCollection

See Also:

• Collection.contains(Object)

remove

public boolean remove(long k)

Description copied from class: AbstractLongSet

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 LongSet

Overrides:

remove in class AbstractLongSet

See Also:

• Collection.remove(Object)

iterator

public LongListIterator iterator()

Description copied from interface: LongCollection

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

Specified by:

iterator in interface Collection<Long>

Specified by:

iterator in interface Iterable<Long>

Specified by:

iterator in interface LongCollection

Specified by:

iterator in interface LongIterable

Specified by:

iterator in interface LongSet

Specified by:

iterator in interface Set<Long>

Specified by:

iterator in class AbstractLongSet

Returns:

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

See Also:

• Iterable.iterator()

spliterator

public LongSpliterator spliterator()

Description copied from interface: LongSet

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<Long>

Specified by:

spliterator in interface Iterable<Long>

Specified by:

spliterator in interface LongCollection

Specified by:

spliterator in interface LongIterable

Specified by:

spliterator in interface LongSet

Specified by:

spliterator in interface Set<Long>

Returns:

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

size

public int size()

Specified by:

size in interface Collection<Long>

Specified by:

size in interface Set<Long>

Specified by:

size in class AbstractCollection<Long>

toLongArray

public long[] toLongArray()

Description copied from interface: LongCollection

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

Specified by:

toLongArray in interface LongCollection

Overrides:

toLongArray in class AbstractLongCollection

Returns:

a primitive type array containing the items of this collection.

See Also:

• Collection.toArray()

forEach

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

Deprecated.

Description copied from interface: LongIterable

Specified by:

forEach in interface Iterable<Long>

Specified by:

forEach in interface LongIterable

addAll

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

Description copied from class: AbstractLongCollection

Specified by:

addAll in interface Collection<Long>

Specified by:

addAll in interface Set<Long>

Overrides:

addAll in class AbstractLongCollection

removeAll

public boolean removeAll(Collection<?> c)

Description copied from class: AbstractLongCollection

Specified by:

removeAll in interface Collection<Long>

Specified by:

removeAll in interface Set<Long>

Overrides:

removeAll in class AbstractLongCollection

retainAll

public boolean retainAll(Collection<?> c)

Description copied from class: AbstractLongCollection

Specified by:

retainAll in interface Collection<Long>

Specified by:

retainAll in interface Set<Long>

Overrides:

retainAll in class AbstractLongCollection

removeIf

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

Deprecated.

Description copied from interface: LongCollection

Specified by:

removeIf in interface Collection<Long>

Specified by:

removeIf in interface LongCollection

forEach

public void forEach(LongConsumer action)

Description copied from interface: LongIterable

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 LongIterable

Parameters:

action - the action to be performed for each element.

See Also:

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

addAll

public boolean addAll(LongCollection c)

Description copied from interface: LongCollection

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

Specified by:

addAll in interface LongCollection

Overrides:

addAll in class AbstractLongCollection

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(LongCollection c)

Description copied from interface: LongCollection

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

Specified by:

removeAll in interface LongCollection

Overrides:

removeAll in class AbstractLongCollection

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(LongCollection c)

Description copied from interface: LongCollection

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

Specified by:

retainAll in interface LongCollection

Overrides:

retainAll in class AbstractLongCollection

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(LongPredicate filter)

Description copied from interface: LongCollection

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

Specified by:

removeIf in interface LongCollection

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<Long>

Specified by:

toArray in interface Set<Long>

Overrides:

toArray in class AbstractCollection<Long>

clone

public Object clone()