perfect.txt

#include <iostream>
#include <string>
using namespace std;
// base class called student
class Student {
private:// private members to store the value of student name and Enrollment year
string name;
int enrollmentYear;
  
public:
  // default constructor
Student() {
  
}
  // using this keyword to  tell compiler that u have to assign the value to this member 
  //peramatric constructor 
Student(string name, int enrollmentYear) {
this->name = name;
this->enrollmentYear = enrollmentYear;
}
  // get function returning name
string getName() {
return name;
}
  // get function returning Enrollment year 
int getEnrollmentYear() {
return enrollmentYear;
}
/************set funtions***************/
/* if we comment out set funtions thay will not effect to the output or neither thay will cause any error
because peramatric cunstructor working as set() as well if you wanna make them dependeble on set functions pass set() in side of peramatric constructor and pass argumnets to the 
set()  */
 //set function for assigning name value  
void setName(string name) {
this->name = name;
}
  //set() for assigning year value to the private member
void setEnrollmentYear(int enrollmentYear) {
this->enrollmentYear = enrollmentYear;
}
/*****************************************/  
// virtual print function for printing massage 
virtual void print() {
cout << "StudentName: " << name << endl;
cout << "Enrollment Year: " << enrollmentYear << endl;
}
};
//child or subclass inherited from the base class called student
class KpuStudent : public Student {
private:
string campusLocation;//private member for store the location value of campus
  
public:
  //KpuStudent peramtric constructor with student constructor
KpuStudent(string name, int enrollmentYear, string campusLocation) : Student(name, enrollmentYear) {
this->campusLocation = campusLocation;
}
  
// using get function for getting campus location  
string getCampusLocation() {
return campusLocation;
}
  /*
void setCampusLocation(string campusLocation) {
this->campusLocation = campusLocation;
}*/
//print function from the base class with override massage  
 void print() {
cout << "StudentName: " << getName() << endl;
cout << "Campus Location: " << campusLocation << endl;
}
};
/************hogwartsStudent subclass*****************/
//inherited class from the base student class
class HogwartsStudent : public Student {
private:
string houseAffiliation;//private member
  
public://local peramatric constructor 
HogwartsStudent(string name, int enrollmentYear, string houseAffiliation) : Student(name, enrollmentYear) {
this->houseAffiliation = houseAffiliation;
}
  //get function for get houseAffiliation
string getHouseAffiliation() {
return houseAffiliation;
}
  //set function
  /*
void setHouseAffiliation(string houseAffiliation) {
this->houseAffiliation = houseAffiliation;
}
  */
  
  // print function from the base class with override massage
 void print() {
cout << "StudentName: " << this->getName() << endl;
cout << "House Affiliation: " << houseAffiliation << endl;
}
};

int main() {
  //initiating base class peramatric constructor and passing its arguments value
Student student/*Base class object*/ = Student("Pritpal Singh", 2021);
KpuStudent kpuStudent/*sub class object*/ = KpuStudent("Pritpal Singh", 2021, "Surrey");// initiating KpuStudent sub class constructor and passing its arguments value
HogwartsStudent hogwartsStudent/*object*/ = HogwartsStudent("Pritpal Singh", 2021, "Gryffindor");//intitiating hogwartsStudent sub class Constructor and passing its argumets value
  
Student *students[3];//creating pointer array of base class
/*passing refrence values of class objects to the students array elements*/  
students[0] = &student;//
students[1] = &kpuStudent;
students[2] = &hogwartsStudent;
  
  //printing only virtual print funtion from every class using for loop a
for(int i = 0; i < 3; i++) {
students[i]->print();
cout<<"_________________________________"<<endl;
}
return 0;
}