class Rectangle
{
public:

    // Default Constructor
    Rectangle()
    {
        std::cout << "Default Constructor called" << std::endl;
        length = 0;
        width = 0;
    }

    // Parameterized Constructor
    Rectangle(int len, int wid)
    {
        std::cout << "Parameterized Constructor called" << std::endl;
        length = len;
        width = wid;
    }

    // Destructor
    ~Rectangle()
    {
        std::cout << "Destructor called " << std::endl;
    }

    // functions
    double getArea()
    {
        return length * width;
    }

    // data members
    double length;
    double width;

};

int main()
{
    // Program start here
    Rectangle r1(20,20);

    // accessing the members
    // dot operator "."

    // obectName.memberName
    // objectName.functionName()

    // r1.length = 10;
    // r1.width = 10;

    double area1 = r1.getArea();
    std::cout << "Area1 :" << area1 << std::endl;

    Rectangle r2;
    double area2 = r2.getArea();
    std::cout << "Area2 :" << area2 << std::endl;

    return 0;
}