C++ Multi Level Inheritance Program

Hello Everyone!

In this tutorial, we will learn how to demonstrate the concept of Multi-Level Inheritance, in the C++ programming language.

To understand the concept of Multi-Level Inheritance in CPP, we will recommend you to visit here: C++ Types of Inheritance, where we have explained it from scratch.

Code:

#include <iostream>
using namespace std;
//Class Volume to compute the Volume of the Cuboid
class Volume {
 public:
 float volume(float l, float b, float h) {
 return (l * b * h);
 }
};
//Class Area to compute the Volume of the Cuboid
class Area {
 public:
 float area(float l, float b, float h) {
 return (2 * (l * b + l * h + b * h));
 }
};
//Cuboid class inherites or is derived from two different classes Volume and Area.
class Cuboid: private Volume, private Area {
 private: float length,
 breadth,
 height;
 //Default Constructor of the Cuboid Class
 public: Cuboid(): length(0.0),
 breadth(0.0),
 height(0.0) {}
 void getDimensions() {
 cout << "\nEnter the length of the Cuboid: ";
 cin >> length;
 cout << "\nEnter the breadth of the Cuboid: ";
 cin >> breadth;
 cout << "\nEnter the height of the Cuboid: ";
 cin >> height;
 }
 //Method to Calculate the area of the Cuboid by using the Area Class
 float volume() {
 //Calls the volume() method of class Volume and returns it.
 return Volume::volume(length, breadth, height);
 }
 //Method to Calculate the area of the Cuboid by using the Area Class
 float area() {
 //Calls the area() method of class Area and returns it.
 return Area::area(length, breadth, height);
 }
};
//Defining the main method to access the members of the class
int main() {
 cout << "\n\nWelcome to Studytonight :-)\n\n\n";
 cout << " ===== Program to demonstrate the concept of Multiple Level Inheritence in CPP ===== \n\n";
 //Declaring the Class objects to access the class members
 Cuboid cuboid;
 cout << "\nCalling the getDimensions() method from the main() method:\n\n";
 cuboid.getDimensions();
 cout << "\n\n";
 cout << "\nArea of the Cuboid computed using Area Class is : " << cuboid.area() << "\n\n\n";
 cout << "Volume of the Cuboid computed using Volume Class is: " << cuboid.volume();
 cout << "\n\n\n";
 return 0;
}

Output:

C++ multi level inheritence

We hope that this post helped you develop a better understanding of the concept of Multi-Level Inheritance in C++. For any query, feel free to reach out to us via the comments section down below.

Keep Learning : )