数据库管理系统的课程设计，Java语言实现的一个DBMS，包括完整的设计文档和源码以及可执行程序。,Database Management System course design, Java language, a DBMS, including the complete design documents and source code and executable programs.

C语言设计和实现椭圆密码加解密，构思独特，算法新颖！(C language design and implementation of elliptic code encryption and decryption, unique conception, novel algorithm!)