这次是java～

http://www.cnblogs.com/mareymarey111/archive/2011/12/08/2280253.html

http://www.cnblogs.com/rond/p/3565113.html

http://blog.youkuaiyun.com/xulilinman/article/details/50498838

https://zhidao.baidu.com/question/561809599760431804.html

java端口的关闭和简单服务器双端的启动方式