Cpp Programming 78 – Which of the following provides a reuse mechanism?

Question: Which of the following statement is correct about the program given below?

#include
class IndiaBix
{
static int x;
public:
static void SetData(int xx)
{
this->x = xx;
}
static void Display()
{
cout<< x ; } }; int IndiaBix::x = 0; int main() { IndiaBix::SetData(22); IndiaBix::Display(); return 0; }

[A].The program will print the output 0.
[B].The program will print the output 22.
[C].The program will print the output Garbage.
[D].The program will report compile time error. 

Answer: Option D

[A]. It is used to provide multiple inheritance.
[B]. It is used to avoid multiple copies of base class in derived class.[C]. It is used to allow multiple copies of base class in a derived class.
[D]. It allows private members of the base class to be inherited in the derived class.

Answer: Option B