this is a trade sale system realized by java. It can run some easy functions and has a good design pattern CVS. A good project to learn CVS.

用java编写的在线考试系统,采用mvc设计模式设计,系统能自动阅卷,上传考题很容易-With the online examination system written in java using mvc design pattern design, grading system can automatically upload exam easily

这是关于java设计模式的api文档，文档中有进行详细说明-This is about the Java design pattern API documents, the document has carried on the detailed descr iption