建立一个简单的学生管理系统，需要提供如下功能。

具有默认访问权限的类Student：数据成员:学号id、姓名name、性别gender、成绩Score。成员方法:设置/读取学号(setId/getId)、设置/读取性别(setGender /getGender)、设置/读取姓名(setName/getName)、设置/读取成绩(setScore/getScore)，输出学生信息的showMe方法；

创建主控类StuMain,即只含有主方法的类；

创建键盘输入类StuKeyboardInput，要求采用一行输入一个学生完整信息的方法

创建类StuQuery，至少提供按姓名（允许重名）或学号进行查询、删除、排序等操作的方法

创建类StuMenu，提供选取不同操作的菜单

利用数组或链表保存多个学生信息

-Establish a simple student management system, you need to provide the following functions. Class with default access Student: data members: school id, name name, sex gender, score Score. Member method: Set/Read the Student ID (setId/getId), set/read Sex (setGender/getGender), set/read the name (setName/getName), set/read performance (setScore/getScore), output Students Information showMe method　create a master class StuMain, which contains only the main method of the class　create keyboard input class StuKeyboardInput, requires complete information on a student line of input methods to create class StuQuery, provide at least by name (to allow the same name) or the school No query, delete, sort operation method to create class StuMenu, provides a menu to select a different operation using the array or list to save multiple student information