org.hsqldb.lib
Class HashSet

java.lang.Object
  org.hsqldb.store.BaseHashMap
      org.hsqldb.lib.HashSet

All Implemented Interfaces:

Collection, Set

public class HashSet

extends BaseHashMap

implements Set

This class does not store null keys.

Since:

1.7.2

Version:

1.7.2

Author:

fredt@users

Nested Class Summary

Nested classes inherited from class org.hsqldb.store.BaseHashMap

BaseHashMap.BaseHashIterator

Field Summary

Fields inherited from class org.hsqldb.store.BaseHashMap

hashIndex, intKeyOrValue, intKeyTable, intValueTable, longKeyOrValue, longKeyTable, longValueTable, NO_PURGE, noKeyOrValue, objectKeyOrValue, objectKeyTable, objectValueTable, PURGE_ALL, PURGE_HALF, PURGE_QUARTER, purgePolicy

Constructor Summary

HashSet()

HashSet(int initialCapacity)

HashSet(int initialCapacity, float loadFactor)

Method Summary

boolean	add(Object key)
boolean	addAll(Object[] keys)
boolean	contains(Object key)
Object	get(Object key) This method returns the Object that is already in the set and is equal to the argument o.
Iterator	iterator()
boolean	remove(Object key)
Object[]	toArray(Object[] a)

Methods inherited from class org.hsqldb.store.BaseHashMap

addOrRemove, clear, clear, containsKey, containsKey, containsKey, containsValue, getLookup, getLookup, getLookup, getObject, getObject, getObject, isEmpty, rehash, removeLookup, removeObject, removeRow, reset, size

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hsqldb.lib.Set

clear, equals, hashCode, isEmpty, size

Constructor Detail

HashSet

public HashSet()

HashSet

public HashSet(int initialCapacity)
        throws IllegalArgumentException

HashSet

public HashSet(int initialCapacity,
               float loadFactor)
        throws IllegalArgumentException

Method Detail

contains

public boolean contains(Object key)

Specified by:

contains in interface Set

get

public Object get(Object key)

Description copied from interface: Set

This method returns the Object that is already in the set and is equal to the argument o.

Specified by:

get in interface Set

add

public boolean add(Object key)

Specified by:

add in interface Set

addAll

public boolean addAll(Object[] keys)

remove

public boolean remove(Object key)

Specified by:

remove in interface Set

toArray

public Object[] toArray(Object[] a)

iterator

public Iterator iterator()

Specified by:

iterator in interface Set