java 线程间的通讯(升级版)

package com.chnsys.threaddemo;

public class JavaResearch {

    /**
     * @param args
     * 模拟死锁
     *
     */
    //等待唤醒机制
    /*1:input:  flag
                flag == flase: 设值-->置为true-->notify-->wait
                flag == true: wait
      2:output: flag == true: 输出-->置为false-->notify-->wait
                  flag == flase: notify-->wait
    */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Res r = new Res();
        new Thread(new Input(r)).start();
        new Thread(new Output(r)).start();
    }
}

class Res{
    private String name;
    private String sex;
    private boolean hasValue = false;
    public synchronized void setRes(String name,String sex){
        if(hasValue){
            try {
                this.wait();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        this.name = name;
        this.sex = sex;
        hasValue = true;
        this.notify();
        
    }
    public synchronized void printf(){
        if(hasValue){
            System.out.println(name+"..."+sex);
            hasValue = false;
            this.notify();
        }
        try {
            this.wait();
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

class Input implements Runnable{
    private Res r ;
    Input(Res res){
        this.r = res;
    }
    @Override
    public void run() {
        int x = 0;
        // TODO Auto-generated method stub
        while(true){
                if(x==0){
                    r.setRes("john", "man");
                }else{
                    r.setRes("小花", "女");
                }
                x = (x+1)%2;
        }
    }
}
class Output implements Runnable{
    private Res r ;
    Output(Res res){
        this.r = res;
    }
    @Override
    public void run() {
        // TODO Auto-generated method stub
        while(true){
                r.printf();
        }
    }
}