1 public class ThreadJoiner {
2 public static void main(String[] args) {
3 Object lock = new Object();
4
5 Thread starterThread = new Thread(new StarterThread(lock));
6 Thread enderThread = new Thread(new EnderThread(lock));
7
8 starterThread.start();
9 enderThread.start();
10 }
11 }
12 class StarterThread implements Runnable {
13
14 private Object lock = null;
15
16 public StarterThread(Object lock) {
17 this.lock = lock;
18 }
19
20 public void run() {
21 System.out.println("start..");
22
23 for(int i =0; i<10; i++){
24 System.out.println("start:"+i);
25 }
26 synchronized(lock){
27 lock.notifyAll();
28 }
29 }
30 }
31 class EnderThread implements Runnable {
32 private Object lock = null;
33 public EnderThread(Object lock) {
34 this.lock = lock;
35 }
36
37 public void run() {
38 synchronized(lock){
39 try {
40 lock.wait();
41 } catch (InterruptedException e) {
42 e.printStackTrace();
43 }
44 }
45 System.out.println("end..");
46 for(int i =0; i<10; i++){
47 System.out.println("end:"+i);
48 }
49 }
50 }
51 /*
52 start..
53 start:0
54 start:1
55 start:2
56 start:3
57 start:4
58 start:5
59 start:6
60 start:7
61 start:8
62 start:9
63 end..
64 end:0
65 end:1
66 end:2
67 end:3
68 end:4
69 end:5
70 end:6
71 end:7
72 end:8
73 end:9
74 */
