说明：  设计一个学生考试管理系统，使得该程序有以下类： 1．学生信息类：修改学生信息、查找学生信息、删除学生信息、新增学生信息、读取学生信息、保存学生信息、查看个人信息、修改个人密码、学生登录函数、学生登录面等功能； 2．考试信息类：修改考试信息、查看考试信息、删除考试信息、新增考试信息、读取考试信息、保存考试信息等功能； 3. 管 理 员 类：管理员登录设置、管理员记录管理界面、重新注册管理员、管理员界面、读取管理员信息、保存管理员信息等功能。
(Students design a test management system, so that the program has the following categories: 1. Student Information Category: Modify the student information, find student information, delete student information, the new student information, read the student information, save student information, view personal information, change your password, students log function, students log noodles and other functions 2. Exam Information Class: Modify exam information, view test information, delete the test information, the new exam information, read exam information, save test information and other functions 3. Administrator categories: administrator login settings, the administrator records management interface, re- Registration Administrator, Administrator interface, read the administrator information, save administrator information and other functions.)