北大青鸟Java高级特性超市管理系统，运用所有Java高级特性开发。-Beida Jade Bird the Java advanced features supermarket management system, the use of all the advanced features of Java development.

java的一个考试管理系统，让你在你学习中快速进入开发行业。-java a test management system that allows you quick access to your learning development industry.