package jsjf;

/**
 * HeapADT defines the interface to a Heap.
 *
 * @author Lewis and Chase
 * @version 4.0
 */
public interface HeapADT<T> extends BinaryTreeADT<T> 
{
   /** 
    * Adds the specified object to this heap. 
    *
    * @param obj the element to be added to the heap
    */   
   public void addElement(T obj);
   
   /** 
    * Removes element with the lowest value from this heap. 
    *
    * @return the element with the lowest value from the heap
    */
   public T removeMin();
   
   /** 
    * Returns a reference to the element with the lowest value in 
    * this heap. 
    *
    * @return a reference to the element with the lowest value in the heap
    */
   public T findMin();
}