import javax.swing.*;
import java.util.*;
public class SystemTest{
public static void main(String args[])
{
Scanner sc = new Scanner(System.in);
int identity = 0;
Student stu;
Lecture lec;
String name;
String id;
String classes;
String class_reg;
String courses_name;
TopManage administrator;
administrator = new TopManage();
List<String> Chooseclassid = new LinkedList<String> ();
int admin_choose;
int stu_choose;
int i;
while(identity != -1)
{
System.out.println("Class System\n");
System.out.println("Your identity(1-administrator,2-student,-1-exit)\n");
identity = sc.nextInt();
admin_choose = 0;
stu_choose = 0;
while(identity == 1 && admin_choose != 6)
{
System.out.println("Choices of administrator:(1-Add Students 2-Delete Students 3-Find Students 4-See class Choices 5-Register Grades 6-Exit)\n");
admin_choose = sc.nextInt();
switch(admin_choose)
{
case 1:
System.out.println("Student Name:");
sc.nextLine();
name = sc.nextLine();
System.out.println(name);
System.out.println("Student id:");
id = sc.nextLine();
System.out.println("Student class:");
classes = sc.nextLine();
stu = new Student(name, id, classes);
administrator.StudentAdd(stu);
break;
case 2:
System.out.println("Student name:");
sc.nextLine();
name = sc.nextLine();
System.out.println("Student id:");
id = sc.nextLine();
System.out.println("Student class:");
classes = sc.nextLine();
stu = new Student(name, id, classes);
administrator.DeleteStudents(stu);
break;
case 3:
System.out.println("Student id:");
sc.nextLine();
id = sc.nextLine();
stu = administrator.searchStudent(id);
if(stu == null)
System.out.println("Not found\n");
else
{
System.out.println("Student Name:");
System.out.println(stu.getName());
System.out.println("Student Class:");
System.out.println(stu.getclass());
System.out.println("Student Lectures and Grades:");
stu.printgrades();
}
break;
case 4:
System.out.println("Class Name:");
sc.nextLine();
class_reg = sc.nextLine();
Chooseclassid = administrator.searchClassChoose(class_reg);
break;
case 5:
System.out.println("Class Name:");
sc.nextLine();
class_reg = sc.nextLine();
Chooseclassid = administrator.searchClassChoose(class_reg);
administrator.LogGrades(Chooseclassid, class_reg);
break;
default:
break;
}
}
i = 1;
while(identity==2)
{
System.out.println("Please enter your id:(5 to exit)\n");
if(i==1)
{
sc.nextLine();
i = 2;
}
id = sc.nextLine();
stu = administrator.searchStudent(id);
if(id.equals(Integer.toString(5)))
break;
else
{
if(stu == null)
System.out.println("Not found!\n");
else
{
stu_choose = 0;
while(stu_choose!=5)
{
System.out.println("Choices of Students:(1-Add courses 2-Delete courses 3-Show Grades Chart 4-Search grades 5-Exit)\n");
stu_choose = sc.nextInt();
switch(stu_choose)
{
case 1:
System.out.println("Please enter the name of one course:\n");
sc.nextLine();
courses_name = sc.nextLine();
lec = new Lecture(courses_name, Integer.toString(0));
administrator.DeleteStudents(stu);
stu.Addlectures(lec);
administrator.StudentAdd(stu);
break;
case 2:
System.out.println("Please enter the name of one course:\n");
sc.nextLine();
courses_name = sc.nextLine();
lec = new Lecture(courses_name, Integer.toString(0));
administrator.DeleteStudents(stu);
stu.Deletelectures(lec);
administrator.StudentAdd(stu);
break;
case 3:
System.out.println("Your grades for all courses are as follows:\n");
i = 1;
stu.printgrades();
break;
case 4:
stu.searchgrades();
i = 1;
break;
default:
i = 1;
break;
}
}
}
}
}
}
}
}
Manage-System-master.zip （5个子文件） 
Manage-System-master 
.gitignore 278B Lecture.java 413B TopManage.java 3KB SystemTest.java 4KB Student.java 2KB
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