Java线程

多线程演示程序

最新推荐文章于 2023-06-28 09:52:25 发布

最新推荐文章于 2023-06-28 09:52:25 发布 · 122 阅读

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本文介绍了一个简单的Java多线程示例程序。该程序通过创建并启动四个独立的线程来展示多线程的基本概念。每个线程都会输出其名称，并在运行过程中穿插休眠指令，以模拟实际工作负载。

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 }