1. Create interface IMark in package named aptech has two methods:
public void input()
public void display()
2. Create a class named StudentAptech in package aptech implements interface IMark and adding follow attributes:
private String StuId;
private String StuName;
private String gender;
private String birthday;
private String nativePlace;
Create two constructors for this class.
Create method sets/gets for these attributes.
Override methods in the interface that it inherited.
3. Create class named StudentMark in package aptech.mark implements interface IMark and adding follow attributes:
private String StuId;
private String className;
private String subjectName;
private int semester;
private float mark;
Create two constructors for this class.
Create method sets/gets for these attributes.
Override methods in the interface that it inherits.
4. Create class named StudentMarkTotal in package aptech.mark inherits class IMark and adding follow attributes:
private String StuId;
private int totalExamSubject;
private float everageMark;
Create two constructors for this class.
Create method sets/gets for these attributes.
Override methods in the class that it inherited.
Construct adding method:
public void getTotalExamSubject(ArrayList<StudentMark> list); //Tính tổng số môn thi
public void calculateEverageMark(ArrayList<StudentMark> list); //Tính điểm trung bình các môn thi
5. Create class Manager in package aptech.mark has follow menu:
1. Input n information of Aptech’s student.
2. Input m exam marks for these students
3. Sort by Student’s name and display the list.
4. Find information of exam marks by student’s id
5. Exit
Note:
The list of n Students are declared from the StudentAptech class.
The list of n exam marks are declared from StudentMark class.
When you input exam mark for student, you must check the StuId is existed in the list of Student’s information.
