Java 常用类库 之 Timer TimerTask

http://www.verejava.com/?id=17159702655333

import java.text.SimpleDateFormat; import java.util.Date; import java.util.Timer; import java.util.TimerTask; public class Test1 { private Timer timer; public Test1() { timer = new Timer(); //每隔 1 秒 显示当前时间 timer.schedule(new MyTask(), new Date(), 1000); } class MyTask extends TimerTask { @Override public void run() { //打印当前时间 SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); System.out.println(df.format(new Date())); } } public static void main(String[] args) { new Test1(); } } 

http://www.verejava.com/?id=17159702655333