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