Module org.hsqldb

Package org.hsqldb.lib

Class HashMap<K,V>

java.lang.Object

org.hsqldb.map.BaseHashMap

org.hsqldb.lib.HashMap<K,V>

All Implemented Interfaces:

Map<K,V>

Direct Known Subclasses:

OrderedHashMap

public class HashMap<K,V>
extends org.hsqldb.map.BaseHashMap
implements Map<K,V>

This class does not store null keys.

Since:

1.7.2

Author:

Fred Toussi (fredt@users dot sourceforge.net)

Nested Class Summary

Nested classes/interfaces inherited from interface org.hsqldb.lib.Map

Map.Entry<K,V>

Field Summary

Fields inherited from class org.hsqldb.map.BaseHashMap

ACCESS_MAX, emptyObjectArray

Constructor Summary

Constructors

Constructor	Description
HashMap()
HashMap(int initialCapacity)
HashMap(int initialCapacity, ObjectComparator<K> comparator)

Method Summary

Modifier and Type	Method	Description
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
Set<Map.Entry<K,V>>	entrySet()
V	get(java.lang.Object key)
Set<K>	keySet()
<T> T[]	keysToArray(T[] array)
V	put(K key, V value)
void	putAll(Map<K,V> m)
V	remove(java.lang.Object key)
boolean	remove(K key, V value)	Removes the spacific key, value pair.
Collection<V>	values()
<T> T[]	valuesToArray(T[] array)

Methods inherited from class org.hsqldb.map.BaseHashMap

clear, clone, isEmpty, size

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hsqldb.lib.Map

clear, isEmpty, size

Constructor Detail

HashMap

public HashMap()

HashMap

public HashMap(int initialCapacity)
        throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

HashMap

public HashMap(int initialCapacity,
               ObjectComparator<K> comparator)
        throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

Method Detail

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface Map<K,V>

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface Map<K,V>

get

public V get(java.lang.Object key)

Specified by:

get in interface Map<K,V>

put

public V put(K key,
             V value)

Specified by:

put in interface Map<K,V>

remove

public V remove(java.lang.Object key)

Specified by:

remove in interface Map<K,V>

remove

public boolean remove(K key,
                      V value)

Removes the spacific key, value pair.

Parameters:

key - the key

value - the value

Returns:

the value associated with the key, or null if none

putAll

public void putAll(Map<K,V> m)

keysToArray

public <T> T[] keysToArray(T[] array)

valuesToArray

public <T> T[] valuesToArray(T[] array)

keySet

public Set<K> keySet()

Specified by:

keySet in interface Map<K,V>

values

public Collection<V> values()

Specified by:

values in interface Map<K,V>

entrySet

public Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>