《黑马程序员》java笔记->生产消费多线程，同步代码块（优化代码）

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/*
等待唤醒机制中经典的问题：生产者消费者问题。
代码已优化 

*/
class Resource
{
    private String name;
    private int count;
    private boolean flag;
    public synchronized void set(String name)
    {
        if(flag)
        try{this.wait();}catch(InterruptedException e){}
        //name,count连着用 
        this.name=name+count;
        count++;
        System.out.println(Thread.currentThread().getName()+"^^^^生产者…………"+this.name);
        flag=true;
        this.notify();
    }
    public synchronized void get()
    {
        if(!flag)
        try{this.wait();}catch(InterruptedException e){}
        System.out.println(Thread.currentThread().getName()+"^^^^消费者…………"+this.name);
        flag=false;
        this.notify();
    }
}
class  Producer implements Runnable
{
    private Resource r;
    Producer(Resource r)
    {
        this.r=r;
    }
    public  void run()
    {
        while(true)
        {
            r.set("馒头");
        }
    }
}
class Consumer implements Runnable
{
    private Resource r;
    Consumer(Resource r)
    {
    this.r=r;
    }
    public void run()
    {
        while(true)
        {
            r.get();
        }
    }
}
class  ProConDemo 
{
    public static void main(String[] args) 
    {
        Resource r=new Resource();
        Producer p=new Producer(r);
        Consumer c=new Consumer(r);
        Thread t1=new Thread(p);
        Thread t2=new Thread(c);
        t1.start();
        t2.start();
    }
}