手写简易java消息队列

简简单单的消息队列

思路:

1,LinkedList
	存数据,生产者往该集合存数据,存数据的时候上锁,存完释放锁
	取数据,消费都拿到锁以后,循环取出LinkedList所有数据,取完数据以后,等待新数据
2,锁

示例代码

import java.util.LinkedList;
import java.util.NoSuchElementException;
import java.util.Scanner;

public class Started {

public final static Object obj = new Object();
public final static LinkedList<Object> list = new LinkedList<>();

@SuppressWarnings("resource")
public static void main(String[] args) {

	new Thread(() -> {
		Scanner scanner = new Scanner(System.in);
		while (true) {
			String nextLine = scanner.nextLine();
			synchronized (obj) {
				list.add(nextLine);
				obj.notify();
			}
		}
	}).start();

	new Thread(new CustomerTask()).start();

}
}

class CustomerTask implements Runnable {
@Override
public void run() {
	while (true) {
		try {
			Object removeFirst = Started.list.removeFirst();
			System.err.println("客户端收到的消息:" + removeFirst);
		} catch (NoSuchElementException e) {
			synchronized (Started.obj) {
				try {
					Started.obj.wait();
				} catch (InterruptedException e1) {
					e1.printStackTrace();
				}
			}
		}
	}
}
}

扩展

网络编程中,从socket中取出的数据,存放入list中,效果是一样的
欢迎大家吐槽,指证,小弟感激不进