Java代码

1. package cn.itcast;
2.  
3. import java.util.Date;
4. import java.util.Timer;
5. import java.util.TimerTask;
6.  
7. public class TraditionalTimerTest {
8.  
9. private static int count = 0;
10. public static void main(String[] args) {
11. // 从程序运行10s之后，每隔3s打印一次bombing!
12. new Timer().schedule(new TimerTask() {
13.  
14. @Override
15. public void run() {
16. System.out.println("bombing!");
17.  
18. }
19. }, 10000, 3000);
20.  
21. // 隔2s，4s交替打印bombing!
22. class MyTimerTask extends TimerTask{
23.  
24. @Override
25. public void run() {
26. count = (count + 1) % 2;
27. System.out.println("bombing!");
28. new Timer().schedule(/*new TimerTask() {
30. @Override
31. public void run() {
32. System.out.println("bombing!");
33. }
34. }*/new MyTimerTask(),2000 + 2000*count);
35. }
36. }
37.  
38. new Timer().schedule(new MyTimerTask(), 2000);
39.  
40. // 打印时间用
41. while(true){
42. System.out.println(new Date().getSeconds());
43. try {
44. Thread.sleep(1000);
45. } catch (InterruptedException e) {
46. e.printStackTrace();
47. }
48. }
49. }
50. }