用java和mysql数据库编的一个电话管理工具。数据库和驱动要自己准备。是学习java数据库编程和GUI编程的好例子。-use mysql database and a series of telephone management tools. Databases and drives to prepare themselves. Java is learning GUI programming and database programming example.

将DB2数据库里的数据导出为excel文件的java代码，用swing做了一个简易的gui-DB2 database will be exported to excel data file java code, make a swing with a simple gui

实现了图书馆借书的数据库管理，并在最后利用java的GUI功能将整个管理过程都集成在一个图形界面中-We realized the books the library management, and finally the use of java GUI functionality to manage the entire process are integrated in a graphical interface