Package org.miaixz.bus.core.center.set

Class SetFromMap<E>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<E>

org.miaixz.bus.core.center.set.SetFromMap<E>

Type Parameters:

E - 元素类型

All Implemented Interfaces:

Serializable, Iterable<E>, Collection<E>, Set<E>

Direct Known Subclasses:

ConcurrentHashSet

public class SetFromMap<E>
extends AbstractSet<E>
implements Serializable

基于Map的Set实现

Since:

Java 17+

Author:

Kimi Liu

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
SetFromMap(Map<E,Boolean> map)	构造

Method Summary

Modifier and Type	Method	Description
boolean	add(E e)
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
boolean	equals(Object o)
void	forEach(Consumer<? super E> action)
int	hashCode()
boolean	isEmpty()
Iterator<E>	iterator()
Stream<E>	parallelStream()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	removeIf(Predicate<? super E> filter)
boolean	retainAll(Collection<?> c)
int	size()
Spliterator<E>	spliterator()
Stream<E>	stream()
Object[]	toArray()
<T> T[]	toArray(T[] a)
String	toString()

Methods inherited from class java.util.AbstractCollection

addAll

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

toArray

Methods inherited from interface java.util.Set

addAll

Constructor Details

SetFromMap

public SetFromMap(Map<E,Boolean> map)

构造

Parameters:

map - Map

Method Details

clear

public void clear()

Specified by:

clear in interface Collection<E>

Specified by:

clear in interface Set<E>

Overrides:

clear in class AbstractCollection<E>

size

public int size()

Specified by:

size in interface Collection<E>

Specified by:

size in interface Set<E>

Specified by:

size in class AbstractCollection<E>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<E>

Specified by:

isEmpty in interface Set<E>

Overrides:

isEmpty in class AbstractCollection<E>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<E>

Specified by:

contains in interface Set<E>

Overrides:

contains in class AbstractCollection<E>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<E>

Specified by:

remove in interface Set<E>

Overrides:

remove in class AbstractCollection<E>

add

public boolean add(E e)

Specified by:

add in interface Collection<E>

Specified by:

add in interface Set<E>

Overrides:

add in class AbstractCollection<E>

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in interface Iterable<E>

Specified by:

iterator in interface Set<E>

Specified by:

iterator in class AbstractCollection<E>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<E>

Specified by:

toArray in interface Set<E>

Overrides:

toArray in class AbstractCollection<E>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<E>

Specified by:

toArray in interface Set<E>

Overrides:

toArray in class AbstractCollection<E>

toString

public String toString()

Overrides:

toString in class AbstractCollection<E>

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<E>

Specified by:

hashCode in interface Set<E>

Overrides:

hashCode in class AbstractSet<E>

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<E>

Specified by:

equals in interface Set<E>

Overrides:

equals in class AbstractSet<E>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<E>

Specified by:

containsAll in interface Set<E>

Overrides:

containsAll in class AbstractCollection<E>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<E>

Specified by:

removeAll in interface Set<E>

Overrides:

removeAll in class AbstractSet<E>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<E>

Specified by:

retainAll in interface Set<E>

Overrides:

retainAll in class AbstractCollection<E>

forEach

public void forEach(Consumer<? super E> action)

Specified by:

forEach in interface Iterable<E>

removeIf

public boolean removeIf(Predicate<? super E> filter)

Specified by:

removeIf in interface Collection<E>

spliterator

public Spliterator<E> spliterator()

Specified by:

spliterator in interface Collection<E>

Specified by:

spliterator in interface Iterable<E>

Specified by:

spliterator in interface Set<E>

stream

public Stream<E> stream()

Specified by:

stream in interface Collection<E>

parallelStream

public Stream<E> parallelStream()

Specified by:

parallelStream in interface Collection<E>