java-定时器

import java.util.*;
class MyTimerTask extends TimerTask{
    public void run(){
        System.out.println("Timer task executed.");
    }
}
public class timer {
    
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub

        MyTimerTask myTask = new MyTimerTask();
        Timer myTimer = new Timer();
        myTimer.schedule(myTask, 0, 1000);
        try{
            Thread.sleep(5000);
        }catch(InterruptedException exc){}
        myTimer.cancel();
    }

}