double breadth; // Breadth of a box
double height; // Height of a box

|);

int main(void) {
Box Box1(3.3, 1.2, 1.5); // Declare 1
Box Box2(8.5, 6.9, 2.0); // Declare box2

Box *ptrBox; // Declare pointer to a class.

// Save the address of first object

ptrBox = &Box1;

// Now try to access a member using member access operator

cout << “Volume of 8041: " << ptrBox->Volume() << endl;

// Save the addres
ptrBox = &Box2

// Now try to access a member using member access operator

cout << "Volume of Box2: " << ptrBox->Volume() << endl;

return 6;

When the above code is compiled and executed, it produces the following
result —

Constructor called.
Constructor called.
Volume of Box1: 5.94
Volume of Box2: 102

4b. Function Overloading (achieved at compile time)