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大学Java课程实验三，要求学会使用继承接口与多态。(Java course experiment three universities require learn to use interface inheritance and polymorphism.)

自己平时从网上搜集的http协议解析文档(Their normally collected from the Internet http protocol analysis document)

check that .dex with wrong magic is rejected.

技术要点： 1 此系统采用了目前最流行的ssm框架,其中的spingMVC框架相对于struts2框架更灵活，更安全。 2 本项目springMVC框架采用了注解映射器，使用了RESTful风格的url对系统发起http请求,开发更灵活。 3 同时使用了了hibernate提供的校验框架，对客户端数据进行校验！ 4 Mybati数据库DAO层采用的是Mapper代理开发方法，输入映射采用的是POJO包装类型实现,输出映射采用了resultMap类型，实现了数据库多对一映射。 5 spring容器内部使用拦截器，以Spring AOP的方式实现事务控制管理。(Technical points: 1. This system adopts the most popular SSM framework at present. The sping MVC framework is more flexible and safer than the struts 2 framework. 2 The spring MVC framework of this project adopts annotation mapper, and uses RESTful style URL to initiate HTTP requests to the system, which makes the development more flexible. 3 At the same time, the verification framework provided by hibernate is used to verify the client data.)

基于udp协议的局域网内聊天的设计与开发源代码(The UDP protocol LAN chat is designed and developed based on the source code)

CodeSigner implements Serializable Source Code for Andriod.

说明：  自学Java写的象棋游戏源码（简单），希望高人不要笑话，这是我自学写的，基本上是用Java调用图片显示的原理制成，适合和我一样菜的Java新手，希望大家与我一起交流。 (Learning chess game written in Java source code (simple), I hope skilled are not a joke, this is my self-written with Java call is basically the principle of image display is made of the same dish for my Java novice, and I hope with the exchange.)

Curso de programación en Java (Versión 6, JDK 1.6.0) Nivel básico Manual del alumno

电梯调度程序程序（模拟电梯的运行，使用Java语言绘制界面，具体说明请见压缩包里的电梯调度程序设计方案报告）(Elevator scheduler program (simulated elevator operation, drawing interface using the Java language, see the specific instructions compression elevator design report scheduler bag))

简单的IO适合初学者，来MLDN李兴华的初级教程(Simple IO for beginners)