建立一个简单的学生管理系统，需要提供如下功能。

1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；

2创建主控类StuMain,即只含有主方法的类；

3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

4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

5创建类StuMenu，提供选取不同操作的菜单

6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.

A 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

2 Create a master class StuMain, which contains only the main method of the class

3 Create keyboard input class StuKeyboardInput, requires students to complete a line of input method information

4 Create a class StuQuery, provide at least by name (allow duplicate names) or student number to query, delete, sort method of operation

5 create a class StuMenu, providing a menu to select a different operation

6 using the array or list to save multiple student informationEstablish a simple student management system, you need to provide the following functions.

A class with default access Stu