How to include a class with C++ main program

It’s very easy to include a class with a C++ main program. Just follow the following steps;

Step 1: Start with header files.

Step 2: adding the namespace.

Step 3: Declaring and defining the class.

Step 4: Starting the main function.

Step 5: In the main function, creates the one or many objects of the class.

Step 6: Call the functions of the class in the main function with the help of class objects.

Let’s see it with an example.

Example of  including a class with C++ main program

C++ program to print a hollow square or rectangle star pattern by using the class with C++ main program.

hollow square or rectangle star pattern C++
hollow square or rectangle star pattern C++

Output

How to include a class with C++ main program