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test yourejb code from standalone java file

ssh实现用户注册登录案例，主要是展现ssh的结合使用。(ssh user login and register cases, mainly to show the combined use of ssh.)

用JAVA实现简单的定积分，里面有详细说明(use JAVA to realize dingjifen with detailed instruction)

jsp文件，三角形的三边关系，三条边各自的长度，组成三角形的三边的条件，各种情况的分析(Triangle Success)

(4)结果映射：将操作数据库的结果按照映射的配置进行转换，可以转换成HashMap、JavaBean或者基本数据类型，并将最终结果返回(result mapping: transform the result of the operation database according to the configuration of the mapping, which can be converted into HashMap, JavaBean or basic data type, and return the final result)

spring mvc 搭建的一套框架，里面权限控制，拦截器，日志都有了(Sprmvc builds a framework, which includes permission control, interceptors, and logs.)

GPS定位，在android4.4下编译通过，可供参考学习(GPS positioning, android4.4 compiler, available for reference study)

基于P2P的几款用java语言编写的程序，像是P2P点对点通信什么的(Based on several P2P programs written using the java language, such as P2P peer communication or something)

调用h2数据库管理用户注册，实现网上书城，购物车管理等功能(Call H2 database to manage user registration, realize online bookstore, shopping cart management and other functions)

This is the root object from which all other objects in this package are derived. This class is never directly instantiated (and hence it is abstract).