C++ Multilevel Inheritance
Multilevel inheritance is such an inheritance in which a derived class is created from another derived class.
C++ Multilevel Inheritance Example
In this example, a base class Student is inherited in a derive class Marks, and the derived class Marks is further inherited in another derive class Total.
#include <iostream>
using namespace std;
class Student{
protected:
int rollno;
public:
void getnum(int a){
rollno = a;
}
void putnum(){
cout << "Roll Number Is: "<< rollno << "\n";
}
};
class Marks : public Student{
protected:
int sub1;
int sub2;
public:
void getmarks(int x,int y){
sub1 = x;
sub2 = y;
}
void putmarks(void){
cout << "Subject 1: " << sub1 << "\n";
cout << "Subject 2: " << sub2 << "\n";
}
};
class Result : public Marks{
protected:
float tot;
public:
void disp(void){
tot = sub1+sub2;
putnum();
putmarks();
cout << "Total: "<< tot;
}
};
int main(){
Result res;
res.getnum(5);
res.getmarks(70,60);
res.disp();
return 0;
}
Output:
Roll Number Is: 5
Subject 1: 70
Subject 2: 60
Total: 130
