标签:imp nts trace java tip catch port sse desc
package com.charles.algorithm;
import java.util.LinkedList;
public class ProducerConsumer {
 /**
	 * @Desc: multiple sub-classes implements producer and consumer by a list
	 */
	static final int MAX_SIZE = 10;
	LinkedList<Integer> list = new LinkedList<Integer>();
	
	public static void main(String[] args) {
		
		ProducerConsumer pc = new ProducerConsumer();
		Consumer consumer = pc.new Consumer();
		Producer producer = pc.new Producer();
		//define 4 producers
		for(int i=0; i<MAX_SIZE/3+1; i++){
			new Thread(producer).start();
		}
		//define 3 consumers
		for(int i=0; i<MAX_SIZE/3; i++){
			new Thread(consumer).start();
		}
	}
	class Producer implements Runnable {
		@Override
		public void run() {
			while (true) {
				produce();
			}
		}
		private void produce() {
			synchronized (list) {
				while (MAX_SIZE <= list.size()) {
					try {
						System.out.println("Producer " + Thread.currentThread().getName() + " Waiting...");
						list.wait();
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
				}
				sleep();
				list.add(list.size() + 1);
				list.notifyAll();
				System.out
						.println("生产者" + Thread.currentThread().getName() + "生产:" + list.size() + " 剩余: " + list.size());
			}
		}
}
	class Consumer implements Runnable {
		@Override
		public void run() {
			while (true) {
				consume();
			}
		}
		private void consume() {
			synchronized (list) {
				while (0 >= list.size()) {
					try {
						System.out.println("Consumer " + Thread.currentThread().getName() + " Waiting...");
						list.wait();
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
				}
				sleep();
				int num = list.pollLast();
				System.out.println("消费者" + Thread.currentThread().getName() + "消费:" + num + " 剩余: " + list.size());
				list.notifyAll();
			}
}
	}
	private void sleep() {
		try {
			Thread.sleep(1000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}
}
标签:imp nts trace java tip catch port sse desc
原文地址:http://www.cnblogs.com/julygift/p/7197425.html