java Timer和TimerTask使用

1 import java.util.Timer;

2 import java.util.TimerTask;

3

4 public class TestTimer {

5

6 public static void main(String args[]){

7 System.out.println("About to schedule task.");

8 new Reminder(3);

9 System.out.println("Task scheduled.");

10 }

11

12 public static class Reminder{

13 Timer timer;

14

15 public Reminder(int sec){

16 timer = new Timer();

17 timer.schedule(new TimerTask(){

18 public void run(){

19 System.out.println("Time's up!");

20 timer.cancel();

21 }

22 }, sec*1000);

23 }

24 }

25 }