Java线程

最新推荐文章于 2023-06-28 09:52:25 发布

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最新推荐文章于 2023-06-28 09:52:25 发布

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分类专栏：技术文章标签： Java thread

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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。

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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 }