多线程实例1 一个线程写入人员信息,一个线程读取人员信息

package com.mozq.thread.resource2;

/**
 * 创建2个线程,一个写入人员信息,一个读取人员信息
 * 
 * @author jie
 *
 */
class Resource {
	private String name;
	private String sex;
	private boolean set = false;
	
	public synchronized void set(String name, String sex) {
		//如果有数据等待
		if(set) {
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		//没有数据则写入数据
		this.name = name;
		this.sex = sex;
		this.set = true;
		//通知其他线程来处理数据
		this.notify();
	}

	public synchronized void out() {
		//如果没有数据读,等待
		if(!set) {
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		//读取数据
		System.out.println(this.name + "..." + this.sex);
		set = false;
		//通知写线程写入数据
		this.notify();
	}
}

class Input extends Thread {
	private Resource r;

	public Input(Resource r) {
		this.r = r;
	}

	@Override
	public void run() {
		boolean flag = true;
		while (true) {
				if (flag) {
					r.set("刘备","男");
				} else {
					r.set("小乔","女");
				}
				flag = !flag;
		}
	}
}

class Output extends Thread {
	private Resource r;

	public Output(Resource r) {
		this.r = r;
	}

	@Override
	public void run() {
		while (true) {
			r.out();
		}
	}
}

public class ResourceDemo {
	public static void main(String[] args) {
		/*
		//创建资源
		Resource r = new Resource();
		//创建任务线程
		Input in = new Input(r);
		Output out = new Output(r);
		//开启线程
		in.start();
		out.start();
		 */
		//创建资源,在单线程中,必须顺序依次调用set和out方法,否则会造成单线程一直等待。
		Resource r = new Resource();
		r.set("刘备", "男");
		r.set("刘备", "男");
		r.out();
	}
}

  

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转载自www.cnblogs.com/mozq/p/10408449.html