这是用java编写的学生成绩管理系统，包括学生，老师和管理员三个对象，有查询，增加，修改，删除等功能-This is to prepare students to use java performance management system, including students, teachers and administrators in three objects, there are inquiries, increase, modify, delete and other functi

学生成绩管理系统，主要是学生的学号，姓名，成绩的管理。-Student achievement management system, mainly students learn number, name, performance management.

用java实现的学生成绩管理系统，适合初学者。-Using java to achieve student performance management system, suitable for beginners.