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# 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,
height;

//Default Constructor of the Cuboid Class
public: Cuboid(): length(0.0),
height(0.0) {}

void getDimensions() {
cout << "\nEnter the length of the Cuboid: ";
cin >> length;

cout << "\nEnter the breadth of the Cuboid: ";

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.
}

//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.
}
};

//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: 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 : )