nio - JasonWayne/personal-wiki GitHub Wiki

http://tutorials.jenkov.com/java-nio/nio-vs-io.html这里讲了nio和io的区别，讲的还是很清楚的。里面一句话讲到nio的适用场景：

If you need to manage thousands of open connections simultanously, which each only send a little data, for instance a chat server, implementing the server in NIO is probably an advantage.