E
- ConcurrentHashMap.newKeySet()
instead@Deprecated public class ConcurrentHashSet<E> extends AbstractSet<E> implements Set<E>, Cloneable, Serializable
Constructor and Description |
---|
ConcurrentHashSet()
Deprecated.
Constructs a new, empty set; the backing ConcurrentHashMap instance has default
initial capacity (16) and load factor (0.75).
|
ConcurrentHashSet(Collection<? extends E> c)
Deprecated.
Constructs a new set containing the elements in the specified collection.
|
ConcurrentHashSet(int initialCapacity)
Deprecated.
Constructs a new, empty set; the backing HashMap instance has the specified initial
capacity and default load factor, which is 0.75.
|
ConcurrentHashSet(int initialCapacity,
float loadFactor)
Deprecated.
Constructs a new, empty set; the backing ConcurrentHashMap instance has the
specified initial capacity and the specified load factor.
|
Modifier and Type | Method and Description |
---|---|
boolean |
add(E o)
Deprecated.
|
void |
clear()
Deprecated.
|
Object |
clone()
Deprecated.
|
boolean |
contains(Object o)
Deprecated.
|
boolean |
isEmpty()
Deprecated.
|
Iterator<E> |
iterator()
Deprecated.
|
boolean |
remove(Object o)
Deprecated.
|
int |
size()
Deprecated.
|
equals, hashCode, removeAll
addAll, containsAll, retainAll, toArray, toArray, toString
finalize, getClass, notify, notifyAll, wait, wait, wait
addAll, containsAll, equals, hashCode, removeAll, retainAll, spliterator, toArray, toArray
parallelStream, removeIf, stream
public ConcurrentHashSet()
public ConcurrentHashSet(Collection<? extends E> c)
c
- the collection whose elements are to be placed into this set.NullPointerException
- if the specified collection is null.public ConcurrentHashSet(int initialCapacity, float loadFactor)
initialCapacity
- the initial capacity of the hash map.loadFactor
- the load factor of the hash map.IllegalArgumentException
- if the initial capacity is less than zero, or if the load factor is nonpositive.public ConcurrentHashSet(int initialCapacity)
initialCapacity
- the initial capacity of the hash table.IllegalArgumentException
- if the initial capacity is less than zero.public int size()
size
in interface Collection<E>
size
in interface Set<E>
size
in class AbstractCollection<E>
public boolean isEmpty()
isEmpty
in interface Collection<E>
isEmpty
in interface Set<E>
isEmpty
in class AbstractCollection<E>
public boolean contains(Object o)
contains
in interface Collection<E>
contains
in interface Set<E>
contains
in class AbstractCollection<E>
public boolean add(E o)
add
in interface Collection<E>
add
in interface Set<E>
add
in class AbstractCollection<E>
public boolean remove(Object o)
remove
in interface Collection<E>
remove
in interface Set<E>
remove
in class AbstractCollection<E>
public void clear()
clear
in interface Collection<E>
clear
in interface Set<E>
clear
in class AbstractCollection<E>
public Object clone() throws CloneNotSupportedException
clone
in class Object
CloneNotSupportedException
Copyright © 2006–2022 Apache Software Foundation. All rights reserved.