Modern C++ for Absolute Beginners: A Friendly Introduction to C++ Programming Language and C++11 to C++20 Standards

© Slobodan Dmitrović 2020

S. DmitrovićModern C++ for Absolute Beginnershttps://doi.org/10.1007/978-1-4842-6047-0_30

30. Exercises

Slobodan Dmitrović¹ 

(1)

Belgrade, Serbia

 

30.1 Static variable

Write a program that checks how many times a function was called from the main program. To do this, we will use a static variable inside a function which will be incremented each time the function is called in main():

#include <iostream>

void myfunction()

{

    static int counter = 0;

    counter++;

    std::cout << "The function is called " << counter << " time(s)." << '\n';

}

int main()

{

    myfunction();

    myfunction();

    for (int i = 0; i < 5; i++)

    {

        myfunction();

    }

}

30.2 Static data member

Write a program that defines a class with one static data member ...