observableinteger.java

24分扑克牌游戏

/*
 * @(#)ObservableInteger.java Version 1.0 98/03/12
 * 
 * Copyright (c) 1998 by Huahai Yang
 * 
 * Use at your own risk. I do not guarantee the fitness of this 
 * software for any purpose, and I do not accept responsibility for 
 * any damage you do to yourself or others by using this software.
 * This file may be distributed freely, provided its contents 
 * are not tampered with in any way.
 *
 */

import java.util.*;

public class ObservableInteger extends Observable
{
   protected int value;
   
   public ObservableInteger(int value)
   {
      this.value = value;
   } // 1 param constructor
    
   public void set(int newValue)
   {
      if(newValue != value)
      {
         value = newValue;
         setChanged();
         notifyObservers(new Integer(value));
      } //if
   } //setvalue
   
} //ObservableInteger