Package com.landawn.abacus.util

Class IdentityHashSet<T>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<T>

com.landawn.abacus.util.IdentityHashSet<T>

Type Parameters:

T -

All Implemented Interfaces:

Iterable<T>, Collection<T>, Set<T>

public final class IdentityHashSet<T>
extends AbstractSet<T>

Constructor Summary

Constructors

Constructor	Description
IdentityHashSet()
IdentityHashSet(int initialCapacity)
IdentityHashSet(Collection<? extends T> c)

Method Summary

Modifier and Type	Method	Description
boolean	add(T e)
boolean	addAll(Collection<? extends T> c)	Adds the all.
void	clear()	Clear.
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
boolean	equals(Object o)
int	hashCode()
boolean	isEmpty()	Checks if is empty.
Iterator<T>	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)	Removes the all.
boolean	retainAll(Collection<?> c)
int	size()
Object[]	toArray()
<A> A[]	toArray(A[] a)
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.Set

spliterator

Constructor Details

IdentityHashSet

public IdentityHashSet()

IdentityHashSet

public IdentityHashSet(int initialCapacity)

Parameters:

initialCapacity -

IdentityHashSet

public IdentityHashSet(Collection<? extends T> c)

Parameters:

c -

Method Details

add

public boolean add(T e)

Specified by:

add in interface Collection<T>

Specified by:

add in interface Set<T>

Overrides:

add in class AbstractCollection<T>

Parameters:

e -

Returns:

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<T>

Specified by:

remove in interface Set<T>

Overrides:

remove in class AbstractCollection<T>

Parameters:

o -

Returns:

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<T>

Specified by:

containsAll in interface Set<T>

Overrides:

containsAll in class AbstractCollection<T>

Parameters:

c -

Returns:

addAll

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

Adds the all.

Specified by:

addAll in interface Collection<T>

Specified by:

addAll in interface Set<T>

Overrides:

addAll in class AbstractCollection<T>

Parameters:

c -

Returns:

removeAll

public boolean removeAll(Collection<?> c)

Removes the all.

Specified by:

removeAll in interface Collection<T>

Specified by:

removeAll in interface Set<T>

Overrides:

removeAll in class AbstractSet<T>

Parameters:

c -

Returns:

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<T>

Specified by:

retainAll in interface Set<T>

Overrides:

retainAll in class AbstractCollection<T>

Parameters:

c -

Returns:

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<T>

Specified by:

contains in interface Set<T>

Overrides:

contains in class AbstractCollection<T>

Parameters:

o -

Returns:

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface Set<T>

Specified by:

iterator in class AbstractCollection<T>

Returns:

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface Set<T>

Overrides:

toArray in class AbstractCollection<T>

Returns:

toArray

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

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface Set<T>

Overrides:

toArray in class AbstractCollection<T>

Type Parameters:

A -

Parameters:

a -

Returns:

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface Set<T>

Specified by:

size in class AbstractCollection<T>

Returns:

isEmpty

public boolean isEmpty()

Checks if is empty.

Specified by:

isEmpty in interface Collection<T>

Specified by:

isEmpty in interface Set<T>

Overrides:

isEmpty in class AbstractCollection<T>

Returns:

true, if is empty

clear

public void clear()

Clear.

Specified by:

clear in interface Collection<T>

Specified by:

clear in interface Set<T>

Overrides:

clear in class AbstractCollection<T>

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<T>

Specified by:

equals in interface Set<T>

Overrides:

equals in class AbstractSet<T>

Parameters:

o -

Returns:

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<T>

Specified by:

hashCode in interface Set<T>

Overrides:

hashCode in class AbstractSet<T>

Returns:

toString

public String toString()

Overrides:

toString in class AbstractCollection<T>

Returns: