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java study and only use java
# ChooseCourseSystem java study and only use java 纯java做的demo,供学习用 4个实体类: 管理员:管理学生和课程,对学生和课程能够增删单条记录,修改信息,查看单条和所有信息,查看课程备注信息(选课的所有学生信息),还有修改密码,注册管理员 学生:登陆后可以选课,取消选课,查看已选,查看未选,修改密码 课程:管理员进行管理 学生-选课:对应学生和课程关系,多对多 4个实体类的信息通过io流序列化和反序列化到对应的文件来模仿数据库操作 比如objecOutputStream.read("学生.txt");
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