class X { private: int a; protected: X(){cout<<"X constructor was called"<<endl;} ~X(){cout<<"X destructor was called"<<endl} }; Referring to the code above, which one of the following statements regarding "X" is TRUE? a) X is an abstract class. b) Only subclasses of X may create X objects. c) Instances of X cannot be created. d) X objects can only be created using the default copy constructor. e) Only friends can create instances of X objects.

2 Answers   Quark,

---

Which bitwise operator is used to check whether a particular bit is on or off?

0 Answers  

---

What is while loops?

0 Answers  

---

Difference between Abstraction and encapsulation in C++?

0 Answers   Impetus,

---

what is data abstraction in C++?

0 Answers  

---

What are advantages of using friend classes?

0 Answers  

---

What is the difference between "calloc" and "malloc"?

9 Answers   ADP,

---

What do you mean by static variables?

0 Answers  

---

Explain the difference between overloading and overriding?

0 Answers  

---

Is there a c++ certification?

0 Answers  

---

Define private, protected and public access control.

0 Answers  

---

You have two pairs: new() and delete() and another pair : alloc() and free(). Explain differences between eg. New() and malloc()

0 Answers  

---