clock.java

来自「一个十分好的java基础学习的课件」· Java 代码 · 共 26 行

import java.util.*;
import java.awt.*;
public class Clock extends java.applet.Applet implements Runnable{
	Thread clockThread;
	public void start(){
		if(clockThread==null){
			clockThread=new Thread(this,"Clock");
			clockThread.start();
		}
	}
	public void run(){
		while(clockThread!=null){
			repaint();
			try{clockThread.sleep(1000);
			}catch(InterruptedException e){}
			}
			}
	public void paint(Graphics g){
				Date now=new Date();
				g.drawString(now.getHours()+":"+now.getMinutes(),5,10);
			}
	public void stop(){
				clockThread.stop();
				clockThread=null;
			}
		}