C++ Programming - Constructors and Destructors - Discussion

#include<iostream.h> 
class IndiaBix
{
    int x; 
    public:
        IndiaBix()
        {
           x = 0;
        }
        IndiaBix(int xx)
        {
            x = xx; 
        }
        IndiaBix(IndiaBix &objB)
        {
            x = objB.x; 
        }
        void Display()
        {
            cout<< x << " ";
        }
};
int main()
{
    IndiaBix objA(25);
    IndiaBix objB(objA);
    IndiaBix objC = objA;
    objA.Display();
    objB.Display();
    objC.Display();
    return 0; 
}