BPlusTree

Hades (HAmburg DEsign System) is a pure-Java framework for interactive simulation, especially for digital system simulation. It includes a graphical schematics editor, several simulation engines, and a library of simulation models.

超市管理系统，可以进行买卖货物，以及库存的统计(Supermarket management system, you can buy and sell goods, as well as inventory statistics)

cours to programme by using java

一篇论文 struts架构设计的教务系统 很好的参考价值 通过cnki数据库下载(A paper struts system architecture design of the Senate passed a very good reference value CNKI Database Download)

服务器远程控制，tomcat jsp 有说明文档(server remote control ,tomcat jsp, help document.)

基于JSP+JavaBean的网上花店系统，主要有以下功能：用户注册和登录，商品查询，购物车，系统管理员功能(JSP+ JavaBean-based online shop system, mainly in the following functions: user registration and login, commodity information, shopping cart, the system administrator function)

说明：  源码和依赖的jar包都在压缩文件里 test目录下有行情的demo，交易部分的API还没完全做好，可以连上前置和登录 这个java接口算是预览版吧(Source code and dependent jar packages are all demo in the test directory of the compressed file. The API of the transaction part is not yet complete. You can connect the pre-and login java interface as a preview version.)

说明：  照片变成字母符号软件，讲照片转化成符号的形式(Photographs into alphabetic symbols software)

很好的一个直接画史密斯圆图的源代码，且圆图的精度很高(a good painting directly Smith Chart of source code, which plans a round of high accuracy)

Test add double extends Dx Test Case Source Code for Andriod.