Java tutorial
import java.util.concurrent.ArrayBlockingQueue; import java.util.concurrent.BlockingQueue; public class Main { public static void main(String[] argv) throws Exception { int capacity = 10; ArrayBlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(capacity); int numWorkers = 2; Worker[] workers = new Worker[numWorkers]; for (int i = 0; i < workers.length; i++) { workers[i] = new Worker(queue); workers[i].start(); } for (int i = 0; i < 100; i++) { queue.put(i); } } } class Worker extends Thread { BlockingQueue<Integer> q; Worker(BlockingQueue<Integer> q) { this.q = q; } public void run() { try { while (true) { Integer x = q.take(); if (x == null) { break; } System.out.println(x); } } catch (InterruptedException e) { } } }