JAVA编写的学生管理系统。内有三个文档，功能全面，可是没有连接到数据库。如果有高人会的请指教-JAVA prepared students management system. There are three documents, full-featured, but not connected to a database. If there is an expert s advice please

Techniques to improve the structural integrity and performance of existing software programs-As the application of object technology--particularly the Java programming language--has become commonplace, a new problem has emerged to confront the softwa