一个用java编写的猜城市和数字游戏，其中封装了多个类以及菜单和链接数据库等，用于学习与交流-Written by java guess a city and a numbers game, which encapsulates a number of classes and the menus and links to databases for learning and exchange

坦克大战的源代码，可以作为java大作业，里面也链接了数据库的使用，同时还有全面的注释-Sees the source code, can be used as java big job, which is also linked to the use of the database, as well as comprehensive notes