Student.java

package cn.itcast.productAndConsumer;

public class Student {
	private String name;
	private int age;
	private boolean flag;
	
	public synchronized void setFun(String name, int age){
		// 如果有数据，就等待
		if(this.flag){
			try {
				this.wait();
			} catch (InterruptedException e) {				
				e.printStackTrace();
			}			
		}
		// 设置数据
		this.name = name;
		this.age = age;
		
		this.flag = true;
		this.notify();		
	}
	
	public synchronized void getFun(){
		//如果没有数据，就等待		
		if(!this.flag){
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			
		}
		//获取数据 
		System.out.println(this.name+"---"+this.age);
		this.flag = false;
		this.notify();
	}
}

SetThread.java

package cn.itcast.productAndConsumer;

public class SetThread implements Runnable {	
	private Student s;
	private int x = 0;
	
	public SetThread(Student s) {
		super();
		this.s = s;
	}

	@Override
	public void run() {
		while (true) {	
			if (x % 2 == 0) {
				s.setFun("林青霞",27);
			}else{
				s.setFun("王江", 18);
			}
			x++;		
		}	
	}
}

GetThread.java

package cn.itcast.productAndConsumer;

public class GetThread implements Runnable {	
	private Student s;
	
	public GetThread(Student s) {
		super();
		this.s = s;
	}

	@Override
	public void run() {
		while(true){
			s.getFun();
		}
	}
}

ProductAndConsumerDemo.java

package cn.itcast.productAndConsumer;
/***
 * 等待唤醒：
 * 		Object类中提供了三个方法：
 * 			wait()        等待
 * 			notify()      唤醒单个线程
 * 			notifyAll()   唤醒所有线程
 * 
 * 		为什么这些方法不定义在Thread类中?
 * 			这些方法的调用必须通过锁对象调用，而我们刚才使用的锁对象是任意锁对象
 * 			所以这些方法必须定义在Object类中
 *
 */
public class ProductAndConsumerDemo {
	public static void main(String[] args) {
		//创建资源
		Student s = new Student();
		
		//生产者和消费者
		SetThread st1 = new SetThread(s);
		GetThread st2 = new GetThread(s);
		
		//线程类
		Thread t1 = new Thread(st1);
		Thread t2 = new Thread(st2);
		
		t1.start();
		t2.start();		
	}	
}