The HashTableIdea idea Java interface (ADT) is shown below.

NOTE -- that HashTableIdea extends DictionaryIdea.

package pub;

/*
 HashTableIdea - The ideas for a hash table
 (Interface)
  NOTE WELL - See super interface for more information
*/

public interface HashTableIdea<K, V> extends DictionaryIdea<K, V> {

	//-----------------------------------------------
	//Convenience

	//Return the length of the hash table (i.e. the number of "buckets")
	public int length();

}