一个简单的生产者消费者模式，二个线程进行存数据，一个线程进行取数据。

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

public class BlockingQueueTest {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		final BlockingQueue queue = new ArrayBlockingQueue(3);

		for (int i = 0; i < 2; i++) {
			new Thread(new Runnable() {

				@Override
				public void run() {
					while (true) {
						try {
							Thread.sleep((long) Math.random() * 1000);
							System.out.println(Thread.currentThread().getName()
									+ " 准备放数据 ");
							queue.put(1);
							System.out.println(Thread.currentThread().getName()
									+ " 队列中有数据 " + queue.size() + " 个");
						} catch (InterruptedException e) {
							e.printStackTrace();
						}
					}
				}
			}).start();

		}
		new Thread(new Runnable() {

			@Override
			public void run() {
				while (true) {
					try {
						Thread.sleep((long) Math.random() * 1000);
						System.out.println(Thread.currentThread().getName()
								+ " 准备取数据 ");
						queue.take();
						System.out.println(Thread.currentThread().getName()
								+ " 队列中剩余数据 " + queue.size() + " 个");
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
				}
			}
		}).start();
	}
}