java多线程：子线程循环10次，主线程接着循环100次，如此循环50次

淡淡的烟草味﹌ 2022-06-18 07:51 134阅读 0赞

package com.view04.alternate.print;
    
    /** * 子线程循环10次，主线程接着循环100次，如此循环50次的问题 * @author zhaojw_420 * */
    public class AlternateThread { 
    
        public static void main(String[] args) {
            final Bussies bussies=new Bussies();
            MainThread mainThread=new MainThread(bussies);
            SubThread subThread=new SubThread(bussies);
            Thread main=new Thread(mainThread,"主线程");
            Thread sub=new Thread(subThread,"子线程");
            main.start();
            sub.start();
        }
    }
    
    class Bussies{
        private boolean flage=true; //flage为true时打印主线程，为false时打印子线程
    
    
        public void main(){
    
            synchronized(this){
            while (!flage) {
                try {
                    this.wait(); //为false时等待
    
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
    
                    e.printStackTrace();
                }
             }
            for (int i = 0; i < 100; i++) {     System.out.println(Thread.currentThread().getName()+"执行了第"+(i+1)+"次");
            }
            flage=false;
            this.notifyAll();
            }
        }
    
        public void sub(){
            synchronized(this){
                while (flage) {
                try {
                    this.wait();//如果为true则等待
    
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
    
                    e.printStackTrace();
                }
             }
                for (int i = 0; i < 10; i++) {
                    System.out.println(Thread.currentThread().getName()+"执行了第"+(i+1)+"次");
                }
                flage=true;
                this.notifyAll();
            }
        }
    }
    
    //主线程
    
    class MainThread implements Runnable{
    
        private Bussies bussies;
        public MainThread(Bussies bussies) {
            this.bussies = bussies;
        }
        public Bussies getBussies() {
            return bussies;
        }
        public void setBussies(Bussies bussies) {
            this.bussies = bussies;
        }
        @Override
        public void run() {
            for(int i=0;i<50;i++){
                bussies.main();
            }
        }
    
    }
    //子线程
    
    class SubThread implements Runnable{
    
        private Bussies bussies;
    
        public SubThread(Bussies bussies) {
            this.bussies = bussies;
        }
        public Bussies getBussies() {
            return bussies;
        }
        public void setBussies(Bussies bussies) {
            this.bussies = bussies;
        }
    
        @Override
        public void run() {
            for(int i=0;i<50;i++){
                bussies.sub();
            }
    
        }
    
    }