JAVA基础知识之网络编程——-关于阻塞IO/非阻塞IO/同步IO/异步IO的一些参考文章

Java NIO之多个Selector的实现
Java NIO类库Selector机制解析（上）

Java NIO类库Selector机制解析（下）

https://www.zhihu.com/question/19732473

http://blog.csdn.net/iter_zc/article/details/39291647

http://www.cnblogs.com/Anker/p/3254269.html

http://blog.csdn.net/historyasamirror/article/details/4270633

http://blog.csdn.net/historyasamirror/article/details/5778378