/**
 * 
 */
package concurrent;

import java.util.Random;
import java.util.concurrent.BlockingQueue;

/**
 * @author think
 *
 */
class Producer implements Runnable {
    private final BlockingQueue<Integer> queue;

    Producer(BlockingQueue<Integer> q) {
        queue = q;
    }

    public void run() {
        try {
            while (true) {
                queue.put(produce());
            }
        } catch (InterruptedException ex) {
            System.out.println(ex);
        }
    }

    Integer produce() {
        Random random = new Random();
        return random.nextInt();
    }
}

/**
 * 
 */
package concurrent;

import java.util.concurrent.BlockingQueue;

/**
 * @author think
 *
 */
class Consumer implements Runnable {
    private final BlockingQueue<Integer> queue;

    Consumer(BlockingQueue<Integer> q) {
        queue = q;
    }

    public void run() {
        try {
            while (true) {
                consume(queue.take());
            }
        } catch (InterruptedException ex) {
            System.out.println(ex);
        }
    }

    void consume(Integer x) {
        System.out.println(x);
    }
}

/**
 * 
 */
package concurrent;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

/**
 * @author think
 *
 */
class Setup {
    public static void main(String[] args) {
        BlockingQueue<Integer> q = new ArrayBlockingQueue<Integer>(100);
        Producer p = new Producer(q);
        Consumer c1 = new Consumer(q);
        Consumer c2 = new Consumer(q);
        new Thread(p).start();
        new Thread(c1).start();
        new Thread(c2).start();
    }
}