1. #include <iostream>
2. using namespace std;
3. class Car {
4.     public: string name,color;
5.     Car() {
6.         cout << "Car class\n";
7.         color = "White";
8.     }
9.     void displayColor() {
10.         cout << color << endl;
11.     }
12. };
13. class Volkswagen: public Car {
14.  
15.     public:
16.     Volkswagen(string colorName) {
17.         color = colorName;
18.     }
19.     void displayColor() {
20.         cout << "The color is Volkswagen is: " << color << endl;
21.     };
22. };
23. class Mercedes: public Car {
24.     public:
25.     Mercedes(string colorName) {
26.         color = colorName;
27.     }
28.     void displayColor() {
29.         cout << "The color is Mercedes is: " << color << endl;
30.     }
31. };
32. int main () {
33.     Car c;
34.     c.displayColor();
35.     Volkswagen v = Volkswagen("Red");
36.     Car * ptr1 = & v;
37.     v.displayColor();
38.     v.Car::displayColor();
39.     ptr1 -> displayColor();
40.     Mercedes m = Mercedes("Black");
41.     Car * ptr2 = & m;
42.     m.displayColor();
43.     m.Car::displayColor();
44.     ptr2 -> displayColor();
45.     return 0;
46. }