Doc.

Students ADT.pdf

Code

student.h

const int subjects = 6;

class student {
private:
    int stud_id, stud_level;
    double stud_scores[subjects];
    string name;
public:
    student();
    void setStudentData(int id, int level, string n, double score[]);
    double GPA();
    void print();
};

student.cpp

#include<iostream>
#include"student.h"
using namespace std;

student::student()
{
    stud_id = NULL;
    stud_level = NULL;
    name = "";
    for (int i = 0; i < subjects; i++)
        stud_scores[i] = 0;
}

void student::setData(int id, int level, string n, double score[])
{
    stud_id = id;
    stud_level = level;
    name = n;
    for (int i = 0; i < subjects; i++)
        stud_scores[i] = score[i];
}

double student::GPA()
{
    double gpa[subjects];
    double sumGpa = 0;
    for (int i = 0; i < subjects; i++)
    {
        if (stud_scores[i] >= 90) gpa[i] = 4;
        else if (stud_scores[i] >= 85) gpa[i] = 3.7;
        else if (stud_scores[i] >= 70) gpa[i] = 3;
        else if (stud_scores[i] >= 50) gpa[i] = 2;
        else gpa[i] = 0;
        sumGpa += gpa[i];
    }
    return sumGpa / subjects;
}

void student::print()
{
    cout << "Name : " << name << endl;
    cout << "Id : " << stud_id << endl;
    cout << "Level : " << stud_level << endl;
    for (int i = 0; i < subjects; i++)
        cout << "Score of Subject no. " << i + 1 << " = " << stud_scores[i] << endl;
    cout << "Your GPA = " << GPA() << endl;
}

main.cpp

#include<iostream>
#include"student.h"
using namespace std;

void main() {
    student s1;

    string name;
    int level, id;
    double scores[subjects];

    cout << "Enter your Name : ";
    cin >> name;
    cout << "Enter your Id : ";
    cin >> id;
    cout << "Enter your Level : ";
    cin >> level;

    for (int i = 0; i < subjects; i++) {
        cout << "enter your score of subject no. " << i + 1 << endl;
        cin >> scores[i];
    }

    s.setStudentData(id, level, n, score);
    s.print();
}