#include <iostream> using namespace std; // Base class class Camera { public: void takePhoto() { cout << "Taking a photo\n"; } }; // Another base class class Phone { public: void call() { cout << "Calling...\n"; } }; // Derived class class Smartphone : public Camera, public Phone { }; int main() { Smartphone myPhone; myPhone.takePhoto(); // From Camera myPhone.call(); // From Phone return 0; }