it.unimi.dsi.fastutil.objects

Class ObjectSets.EmptySet<K>

java.lang.Object

java.util.AbstractCollection<K>

it.unimi.dsi.fastutil.objects.AbstractObjectCollection<K>

it.unimi.dsi.fastutil.objects.ObjectCollections.EmptyCollection<K>

it.unimi.dsi.fastutil.objects.ObjectSets.EmptySet<K>

All Implemented Interfaces:

it.unimi.dsi.fastutil.objects.ObjectCollection<K>, it.unimi.dsi.fastutil.objects.ObjectIterable<K>, ObjectSet<K>, java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<K>, java.util.Collection<K>, java.util.Set<K>

Direct Known Subclasses:

ObjectSortedSets.EmptySet

Enclosing class:

ObjectSets

public static class ObjectSets.EmptySet<K>
extends it.unimi.dsi.fastutil.objects.ObjectCollections.EmptyCollection<K>
implements ObjectSet<K>, java.io.Serializable, java.lang.Cloneable

An immutable class representing the empty set and implementing a type-specific set interface.

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

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EmptySet()

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone()
boolean	equals(java.lang.Object o)
boolean	remove(java.lang.Object ok)

Methods inherited from class it.unimi.dsi.fastutil.objects.ObjectCollections.EmptyCollection

addAll, clear, contains, containsAll, forEach, hashCode, iterator, removeAll, removeIf, retainAll, size, spliterator, toArray, toArray

Methods inherited from class it.unimi.dsi.fastutil.objects.AbstractObjectCollection

toString

Methods inherited from class java.util.AbstractCollection

add, isEmpty

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface it.unimi.dsi.fastutil.objects.ObjectSet

iterator, of, of, of, of, of, spliterator

Methods inherited from interface java.util.Set

add, addAll, clear, contains, containsAll, hashCode, isEmpty, removeAll, retainAll, size, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

EmptySet

protected EmptySet()

Method Detail

remove

public boolean remove(java.lang.Object ok)

Specified by:

remove in interface java.util.Collection<K>

Specified by:

remove in interface java.util.Set<K>

Overrides:

remove in class java.util.AbstractCollection<K>

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.util.Collection<K>

Specified by:

equals in interface java.util.Set<K>

Overrides:

equals in class it.unimi.dsi.fastutil.objects.ObjectCollections.EmptyCollection<K>