package dictionary;

import exceptions.InvalidEntryException;
import priorityqueue.Entry;

import exceptions.InvalidKeyException;


public interface Dictionary<K,V> {

  public int size();

  public boolean isEmpty();

  public Entry<K,V> find(K key)    throws InvalidKeyException;

  public Iterable<Entry<K,V>> findAll(K key)   throws InvalidKeyException;

  public Entry<K,V> insert(K key, V value)    throws InvalidKeyException;

  public Entry<K,V> remove(Entry<K, V> e)     throws InvalidEntryException;

  public Iterable<Entry<K,V>> entries(); 
}