多线程编程 - 队列练习

package cn.itcast.heima2;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

public class BlockingQueueTest {
 public static void main(String[] args) {
  final BlockingQueue queue = new ArrayBlockingQueue(3);
  /*启动2个线程存放数据*/
  for(int i=0;i<2;i++){
   new Thread(){
    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() + "已经放了数据，" +        
          "队列目前有" + queue.size() + "个数据");
      } catch (InterruptedException e) {
       e.printStackTrace();
      }

     }
    }
    
   }.start();
  }
  /*启动1个线程取数据*/
  new Thread(){
   public void run(){
    while(true){
     try {
      //将此处的睡眠时间分别改为100和1000，观察运行结果
      Thread.sleep(1000);
      System.out.println(Thread.currentThread().getName() + "准备取数据!");
      queue.take();
      System.out.println(Thread.currentThread().getName() + "已经取走数据，" +        
        "队列目前有" + queue.size() + "个数据");     
     } catch (InterruptedException e) {
      e.printStackTrace();
     }
    }
   }
   
  }.start();   
 }
}