说明：  一直以来对于多线程有种恐惧恐惧感，不理解它到底是什么回事，感觉挺抽象的，自从听了传智播客的邹老师对于多线程的讲解，我可以很自信地说我多线程方面入门了
(Has been multi-threaded kind of fear of fear, do not understand it what is going on in the end, I feel very abstract, since the the Tsou teacher of listening to Chuan Chi podcasts explanation for multi-threaded, I can confidently say that my multi-threaded a beginning)