线程的来回切换

来源：互联网发布：诺诺助手是什么软件编辑：程序博客网时间：2024/04/28 03:45
package com.sk.thread;/** * 子线程循环10次，接着主线程循环100，接着又回到子线程循环10次，接着再回到主线程又循环100，如此循环50次，请写出程序。  * @author root */public class TraditionalThreadCommunication{    public static void main(String[] args)    {        Business business=new Business();        new Thread(new Runnable()        {            @Override            public void run()            {                for (int i=0;i<50;i++)                {                    try                    {                        business.sub(i);                    }                    catch (Exception e)                    {                        e.printStackTrace();                    }                }            }        }).start();        for(int i=0;i<50;i++)        {            try            {                business.main(i);            }            catch (Exception e)            {                e.printStackTrace();            }        }    }}class Business{    private boolean isShouldSub=true;    public synchronized void sub(int i) throws Exception    {        while(!isShouldSub)        {            this.wait();        }        for(int j=0;j<10;j++)        {            System.out.println("sub thread sequence of "+j+",loop of"+i);        }        isShouldSub=false;        this.notify();    }    public synchronized void main(int i) throws Exception    {        while(isShouldSub)        {            this.wait();        }        for(int j=0;j<100;j++)        {            System.out.println("main thread sequence of "+j+",loop of"+i);        }        isShouldSub=true;        this.notify();    }}
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