中国移动收费管理系统，他实现了登录、开户、客户信息管理、客户缴费管理等功能-China Mobile charge management system, he realized login, account, customer information management, customer management and payment functions

本地版考试系统，实现帐号登录，菜单，考试,计算成绩等功能，主方法在online.checkout.tarena.txt 中的main.java-Local version of test system, and account login, menu, test, calculation results and other functions, the main method in the main.java online.checkout.tarena.txt

another useless just to activate account