jmri.util
Class OrderedHashtable<K,V>

java.lang.Object
  java.util.Dictionary<K,V>
      java.util.Hashtable<K,V>
          jmri.util.OrderedHashtable<K,V>

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>

public class OrderedHashtable<K,V>
extends Hashtable<K,V>

Hashtable that preserves order for later access.

Author:

Bob Jacobsen

See Also:

Serialized Form

Constructor Summary

OrderedHashtable()

Method Summary

boolean	equals(Object o)
int	hashCode()
Enumeration<K>	keys()
V	put(K key, V value)
V	remove(Object key)

Methods inherited from class java.util.Hashtable

clear, clone, contains, containsKey, containsValue, elements, entrySet, get, isEmpty, keySet, putAll, rehash, size, toString, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

OrderedHashtable

public OrderedHashtable()

Method Detail

put

public V put(K key,
             V value)

Specified by:

put in interface Map<K,V>

Overrides:

put in class Hashtable<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class Hashtable<K,V>

keys

public Enumeration<K> keys()

Overrides:

keys in class Hashtable<K,V>

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<K,V>

Overrides:

equals in class Hashtable<K,V>

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<K,V>

Overrides:

hashCode in class Hashtable<K,V>