生产者消费者JAVA实现

package threadTest;

public class ThreadTest{
    private static boolean flag = false;

    public static void main(String[] args){
        class Goods{
            private String name;
            private int num;

            public synchronized void produce(String name){
                if(flag)
                    try{
                        wait();
                    }
                catch(InterruptedException e){
                    e.printStackTrace();
                }
                this.name = name + "编号:" + num ++;
                System.out.println(Thread.currentThread().getName() + "生产了...." + this.name);
                flag = true;
                notifyAll();

            }
            public synchronized void consume(){
                if(!flag)
                    try{
                        wait();
                    }
                    catch(InterruptedException e){
                        e.printStackTrace();
                    }
                System.out.println(Thread.currentThread().getName() + "消费了" + this.name);
                flag = false;
                notifyAll();
            }

        }
        final Goods g = new Goods();

        new Thread(new Runnable(){

            @Override
            public void run() {
                // TODO Auto-generated method stub
                while(true)
                    g.produce("商品");
            }

        },"生产者1号").start();
        new Thread(new Runnable(){

            @Override
            public void run() {
                // TODO Auto-generated method stub
                while(true)
                    g.produce("商品");
            }

        },"生产者2号").start();
        new Thread(new Runnable(){

            @Override
            public void run() {
                // TODO Auto-generated method stub
                while(true)
                    g.produce("商品");
                }

        },"生产者3号").start();

        new Thread(new Runnable(){

            @Override
            public void run() {
                // TODO Auto-generated method stub
                while(true)
                g.consume();
            }


        },"消费者1号").start();
        new Thread(new Runnable(){

            @Override
            public void run() {
                // TODO Auto-generated method stub
                while(true)
                g.consume();
            }


        },"消费者2号").start();
        new Thread(new Runnable(){

            @Override
            public void run() {
                // TODO Auto-generated method stub
                while(true)
                g.consume();
            }


        },"消费者3号").start();

    }
}