使用程序设计语言（Java）编程实现对学生排位系统的管理，如学生、课程、成绩等基本信息的增加、删除、修改和查询，按不同条件的排位查询显示等操作，同时连接数据库即使更新保证数据的一致性-The use of programming language (Java) programming for students qualifying system management, such as students, courses, grades and other basic information to add, delete, modify and query, according to the different conditions of the qualifying query display operation, and even connect to the　update to ensure the consistency of data