1.3.7 请评估一下程序的执行结果？.md

题目：请评估一下程序的执行结果？

public class SynchronousQueueQuiz {
    public static void main(String[] args) throws Exception {
        BlockingQueue<Integer> queue = new
        SynchronousQueue<>();
        System. out .print(queue.offer(1) + " ");
        System. out .print(queue.offer(2) + " ");
        System. out .print(queue.offer(3) + " ");
        System. out .print(queue.take() + " ");
        System. out .println(queue.size());
    }
}

A. true true true 1 3

B. true true true (阻塞)

C. false false false null 0

D. false false false (阻塞)

出题人：阿里巴巴出题专家：桃谷／阿里云中间件技术专家

参考答案：D