C++ Programming - Constructors and Destructors - Discussion

#include<iostream.h> 
class IndiaBix
{
    int x, y; 
    public:
    IndiaBix(int xx = 10, int yy = 20 )
    {
        x = xx; 
        y = yy;
    }
    void Display()
    {
        cout<< x << " " << y << endl;
    } 
    ~IndiaBix()
    { } 
};
int main()
{
    IndiaBix objBix; 
    objBix.Display(); 
    return 0;
}