Answer to Question #283796 in C++ for ibrahim

Question

Write a Person class that has attributes of id, name and address. It has a constructor to initialize, a member function to input and a member function to display data members. Create second class Student that inherits Person class. It has additional data members of roll number and marks. It also has member functions to input and display its data members. Create another class Scholarship that inherits Students class. It has additional attributes of scholarship name and amount. It also has member functions to input and display its data members.

Answer 1

#include <iostream>
#include <string>
class Person
{
protected:
    int id;
    std::string name;
    std::string address;
public:
    Person()
    {
        std::cout<<"Person c"<<std::endl;
    }
    Person(int i,const std::string& n,const std::string& a) : id(i), name(n), address(a){}
    void input()
    {
        std::cin>>id>>name;
        std::cin.ignore();
        std::getline(std::cin, address);
    }
    void display()
    {
        std::cout<<id<<'\t'<<name<<'\n'<<address<<'\n';
    }
};
class Student : public Person
{
protected:
    int roll_number;
    int mark;
public:
    Student()
    {
        std::cout<<"Student c"<<std::endl;
    }
    Student(int i, const std::string& n, const std::string& a, int r_n, int m): Person(i, n, a)
    {
        this->roll_number = r_n;
        this->mark = m;
    }
    void input()
    {
        Person::input();
        std::cin>>roll_number>>mark;
    }
    void display()
    {
        Person::display();
        std::cout<<roll_number<<'\t'<<mark<<std::endl;
    }
};
class Scholarship: public Student
{
protected:
    std::string scholarship_name;
    int amount;
public:
    Scholarship(int i, const std::string& n, const std::string& a, int r_n, int m, const std::string& sch_n, int am): Student(i, n, a, r_n, m)
    {
        this->amount = am;
        this->scholarship_name = sch_n;
    }
    
    void input()
    {
        Student::input();
        std::cin>>scholarship_name>>amount;
    }
    void display()
    {
        Student::display();
        std::cout<<scholarship_name<<'\t'<<amount<<std::endl;
    }
};