基于Socket的即时通信系统（聊天室）

httpclient 连接池 请求 需要连接池的jar包(httpclient connection pool connection pool request requires jar package)

通过这个程序，充分理解理解抽象类与接口的概念。(Through this program, understand fully understand the concept of abstract classes and interfaces.)

文件名后缀改为.jar即可以在装有jre环境的机器上运行，该程序实现了局域网文件互传(File name suffix to. Jar that can be fitted with jre environment running on the machine, the program achieved a LAN files to each other)

httpclient开发框架 最全了html(the most comprehensive development framework httpclient)

安卓app开发所用的kotlin编程语言的中文文档(Android app develops the Chinese document of kotlin programming language.)

说明：  公交查询系统 Android studio(Bus search system can used by Android studio)

商城后台管理系统，对后台仓库的一系列处理，对毕业设计，初学者设计很有好处，使用springboot+mybatis框架实现(no nonnoihiowqyeashdusaiyhdoashnd)

Convert integer format IP into xxx.xxx.xxx.xxx format for Andriod.

java版Drcom宽带认证客户端，配置后认证服务器ip后，可直接使用。(Campus network Dr.COM login client java version, convenient for users to do other platforms to develop and use.)

J2EE Java黑客大曝光：开发安全的Java应用程序(J2EE Java Hacking Exposed: the development of Java application security)