多线程 死锁 wait(int i) notifyAll()

public class ThreadDemo5 {
    public static void main(String[] args){
        Pool pool = new Pool();
        Productors p1 = new Productors(pool);
        Consumers c1 = new Consumers(pool);
        Consumers c2 = new Consumers(pool);
        p1.start();
        c1.start();
        c2.start();
    }
}

class Pool{
    private static int MAX = 1;
    private java.util.List<Integer> list = new java.util.LinkedList<Integer>();

    public void addList(int i){
        synchronized(this){ // 如果 这里以 list 为锁，那么后面的wait notify，notifyAll 都要用 list.wait list.notify list.notifyAll
            while (list.size()>=MAX){
                try{
                    this.wait(3);//等待 3 毫秒，然后开始抢所得控制权//防止死锁的方式 一
                }
                catch (Exception e){

                }
            }
            list.add(new Integer(i));
            System.out.println("aft add--->>> "+list.size());
//            this.notify(); //如果 采用的是notify，且 wait没有指定参数，那么会形成死锁
            this.notifyAll(); //将线程等待序列中的所有等待线程都唤醒，notify 是随机唤醒一个。//防止死锁的方式二
        }
    }

    public int remove(){
        synchronized(this){
            while (list.size()<=0){
                try{
                    wait(3);//这里默认就是用的this.wait
                }
                catch(Exception e){

                }
            }
            int n = list.remove(0);

            System.out.println("aft remove______--->>> "+list.size());
            notifyAll();
            return n;
        }
    }

}

class Productors extends Thread{
    private String name;
    private Pool pool;
    static int i = 1;

    public Productors(Pool pool){
        this.pool = pool;
    }
   public void run(){
        while(true){
            pool.addList(i);
//            System.out.println("p.add--->>> "+);
            i ++;

        }
   }
}
class Consumers extends Thread{
    private Pool pool;
    private String name;
    public Consumers(Pool pool){
        this.pool = pool;
    }
    public void run(){
        while(true){
            int result = pool.remove();
//            System.out.println("c.remove --->>> "+result);
        }
    }
}