// C++ program to calculate the area of a wall #include using namespace std; // declare a class class Wall { private: double length; double height; public: // parameterized constructor to initialize variables Wall(double len, double hgt) { length = len; height = hgt; } double calculateArea() { return length * height; } }; int main() { // create object and initialize data members Wall wall1(10.5, 8.6); Wall wall2(8.5, 6.3); cout
