1 package org.zsk.error;
2
3 public class MultiThreadDemo1_1 {
4
5 public MultiThreadDemo1_1() {
6 // TODO Auto-generated constructor stub
7 new NewThread("1");
8 new NewThread("2");
9 new NewThread("3");
10 new NewThread("4");
11
12 System.out.println("main thread begin!");
13 for (int i=0; i<100; i++){
14 System.out.println(" --> ");
15
16 }
17 System.out.println("main thread end;");
18
19 }
20
21 /**
22 * @param args
23 */
24 public static void main(String[] args) {
25 // TODO Auto-generated method stub
26 new MultiThreadDemo1_1();
27 }
28
29 class NewThread implements Runnable {
30 NewThread(String threadName){
31 name = threadName;
32 t = new Thread(this, name);
33 t.start();
34 System.out.println("new thread " + name + "begin");
35 }
36
37 public void run(){
38 try{
39 for (int i=0; i<100; i++){
40 System.out.println(name);
41 Thread.sleep(30);
42 }
43 } catch (InterruptedException e) {
44 System.out.println("thread "+name+"error！");
45 }
46
47 System.out.println("thread " + name + "end;");
48 }
49
50 private String name;
51 private Thread t;
52 }
53
54 }