MCQs – C++ Classes and Objects

Q) Data members and member functions of a class in C++ program are by default

1. protected
2. public
3. private
4. None

Answer: 3

Q) Which operator is used to allocate an object dynamically of a class in C++?

1. Scope resolution operator
2. Conditional operator
3. New operator
4. Membership access

Answer: 3

Q) Which is used to define the member function of a class externally?

1. :
2. ::
3. #
4. None

Answer: 2

Q) In C++, an object cannot be created for

1. An interface
2. An Abstract class
3. A singleton class
4. A & B
5. A, B & C

Answer: 4

Q) By default functions available in C++ language are

1. Constructor
2. Destructor
3. Copy constructor
4. Assignment operator
5. All

Answer: 5