SynchronousQueueDemo-同步队列

import java.util.concurrent.BlockingQueue;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.TimeUnit;

/*
同步队列，没有容量，每次只能放入一个元素，没有取出来之前是放不进去其他元素的
 */
public class SynchronousQueueDemo {
    public static void main(String[] args) {
        Test1();
    }
    
    public static void Test1(){
        BlockingQueue<String> queue = new SynchronousQueue<>();
        new Thread(()->{
            try {
                System.out.println(Thread.currentThread().getName() + "put 1");
                queue.put("1");
                System.out.println(Thread.currentThread().getName() + "put 2");
                queue.put("2");
                System.out.println(Thread.currentThread().getName() + "put 3");
                queue.put("3");
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }, "T1").start();
        new Thread(()->{
            try {
                TimeUnit.SECONDS.sleep(2);
                System.out.println(Thread.currentThread().getName() + "take " + queue.take());
                TimeUnit.SECONDS.sleep(2);
                System.out.println(Thread.currentThread().getName() + "take " + queue.take());
                TimeUnit.SECONDS.sleep(2);
                System.out.println(Thread.currentThread().getName() + "take " + queue.take());
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }, "T2").start();
    }
}