smile.util

Class IntHashSet

java.lang.Object

smile.util.IntHashSet

public class IntHashSet
extends java.lang.Object

HashSet for primitive types. Integer.MIN_VALUE (0x80000000) is not allowed as key.

Constructor Summary

Constructors

Constructor and Description
IntHashSet() Constructs an empty HashSet with the default initial capacity (16) and the default load factor (0.75).
IntHashSet(int initialCapacity, float loadFactor) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	add(int key) Adds the specified element to this set if it is not already present.
boolean	contains(int key) Returns true if this set contains the specified element.
boolean	remove(int key) Removes the specified element from this set if it is present.
int	size() Returns the number of elements in this set.
int[]	toArray() Returns the elements as an array.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IntHashSet

public IntHashSet()

Constructs an empty HashSet with the default initial capacity (16) and the default load factor (0.75).

IntHashSet

public IntHashSet(int initialCapacity,
                  float loadFactor)

Constructor.

Parameters:

initialCapacity - the initial capacity.

loadFactor - the load factor.

Method Detail

contains

public boolean contains(int key)

Returns true if this set contains the specified element.

add

public boolean add(int key)

Adds the specified element to this set if it is not already present. If this set already contains the element, the call leaves the set unchanged and returns false.

remove

public boolean remove(int key)

Removes the specified element from this set if it is present. Returns true if this set contained the element (or equivalently, if this set changed as a result of the call).

size

public int size()

Returns the number of elements in this set.

toArray

public int[] toArray()

Returns the elements as an array.