package priorityqueue;

import exceptions.EmptyPriorityQueueException;
import exceptions.InvalidKeyException;

/**
 * Created with xgiovio.macbookair.
 * User: xgiovio
 * Date: 01/04/14
 * Time: 16:29
 */
public interface PriorityQueue<K,V> {
    public int size();
    public boolean isEmpty();
    public Entry<K,V> min() throws EmptyPriorityQueueException;
    public Entry<K,V> insert(K key, V value) throws InvalidKeyException;
    public Entry<K,V> removeMin() throws EmptyPriorityQueueException;
}