http://www.importnew.com/21089.html
https://blog.csdn.net/Evankaka/article/details/44153709
http://wiki.jikexueyuan.com/project/java-concurrency/function.html
https://zhuanlan.zhihu.com/p/27836782
多线程 - 待读书籍
原文：https://www.cnblogs.com/frankcui/p/10694052.html
