java多线程例子

来源：互联网发布：行业智能和大数据编辑：程序博客网时间：2024/06/06 09:32

主程序类
import java.io.*;

public class Threadmain
{
   public static void main(String[] args)
   {
       int i = 0;
       new TestThread(i).start();
       new TestThread(i).start();
       new TestThread(i).start();
       new TestThread(i).start();
       new TestThread(i).start();
       new TestThread(i).start();
       new TestThread(i).start();
       new TestThread(i).start();
       new TestThread(i).start();
       new TestThread(i).start();
       new TestThread(i).start();

       while(true)
       {
           //System.out.println("main():"+Thread.currentThread().getName()+" is running " + i++);
       }

}

多线程类：

import java.io.*;
public class TestThread extends Thread {
   private int i;
   public TestThread(int i)
   {
       this.i = i;
   }
   public void run()
   {
       while(true)
       {
           System.out.println("thread():"+Thread.currentThread().getName()+" is running " + i++);
       }
    }
}

以下是：这个I可以是复用的

import java.io.*;

public class Threadmain
{


   public static void main(String[] args)
   {


       new TestThread().start();
       new TestThread().start();
       new TestThread().start();
       new TestThread().start();


       while(true)
       {
           //System.out.println("main():"+Thread.currentThread().getName()+" is running " + i++);
       }
   }

}

import java.io.*;
public class TestThread extends Thread {
   static int i = 1;

   public void run()
   {
       while(true)
       {
           System.out.println("thread():"+Thread.currentThread().getName()+" is running " + i++);
               try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
       }

   }

}

随机数

import java.util.*;

Random random2 = new Random();
System.out.println(random2.nextInt(100));

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