using namespace std; class Box { private: // Data Member double length; // Length of a box double breadth; // Breadth of a box double height; // Height of a box public: // Member functions declaration double getVolume(void); void setLength( double len ); void setBreadth( double bre ); void setHeight( double hei ); }; // Member functions definitions double Box::getVolume(void) { return length * breadth * height… – Things that makes R-Ji happy are plants, playing musical instruments, being in a band and playing DOTA