package eatbean.util.algorithm;import eatbean.util.*;/** * <p>Title: 吃豆子</p> * <p>Description: A*算法中用到的節點</p> * <p>Copyright: Copyright (c) Nothing</p> * <p>Company: Raindrop</p> * @author "Nothing" * @version 1.0 */public class Node extends Pos {	public Node parent = null;	public Node(int x, int y) {		super(x, y);	}    public Object clone() {        /**@todo: Override this eatbean.util.Pos method*/        return null;    }}