Java In A Nutshell, 5th Edition

This abstract class is the superclass of Hashtable . Other hashtable-like data structures might also extend this class. See Hashtable for more information. As of Java 1.2, the Map interface replaces the functionality of this class.

public abstract class Dictionary<K,V> { // Public Constructors public Dictionary ( ); // Public Instance Methods public abstract Enumeration<V> elements ( ); public abstract V get (Object key ); public abstract boolean isEmpty ( ); public abstract Enumeration<K> keys ( ); public abstract V put (K key , V value ); public abstract V remove (Object key ); public abstract int size ( ); }

Subclasses

Hashtable