Programming

 
class base
{
public:
    base()
    {
        printf("Base Cons\n");
    }
 
    void show()
    {
        printf("Base Show\n");
    }
};
 
class der: public base
{
public:
    der()
    {
        printf("Der Cons\n");
    }
 
    void show()
    {
        printf("Der Show\n");
    }
};
 
void yahoo(base* bpointer)
{
    printf("Address in base pointer = %u\n",bpointer);
    bpointer->show();
}
 
int _tmain(int argc, _TCHAR* argv[])
{
    class base bobj, *bptr;
    class der dobj;
 
    bptr = & bobj;
    printf("Base obj adress = %u\n",&bobj);
    yahoo(bptr);
 
    bptr = &dobj;
    printf("Base obj adress = %u\n",&dobj);
    yahoo(bptr);
 
    return 0;
}

Base Cons
Base Cons
Der Cons
Base obj adress = 1245027
Address in base pointer = 1245027
Base Show
Base obj adress = 1245003
Address in base pointer = 1245003
Base Show