网上选课系统，源代码，是java的。 具体内容请详见内部文档-Online course selection system, the source code, is Java. Details please see the internal document

android平台上的网上选课系统，其中包括客户端和开发端的源码，是用来学习java和android的好的入门程序-Online Course System android platform, including client and develop client source code, is to learn java and android good entry procedures