Object Oriented Programming interview questions part 8
Object Oriented Programming interview questions part 8
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Total Questions: 20
1. Which of the following is not type of class?
Correct Answer is : Start Class
2. Class is pass by _______
Correct Answer is : Reference
3. What is default access specifier for data members or member functions declared within a class without any specifier, in C++ ?
Correct Answer is : Private
4. Which is most appropriate comment on following class definition : class Student { int a; public : float a; };
Correct Answer is : Error : same variable name can’t be used twice
5. Which is known as generic class?
Correct Answer is : Template class
6. Size of a class is :
Correct Answer is : Classes doesn’t have any size
7. Which class can have member functions without their implementation?
Correct Answer is : Abstract class
8. Which of the following describes a friend class?
Correct Answer is : Friend class can access all the private members of the class, of which it is a friend
9. What is scope of a class nested inside another class?
Correct Answer is : Depends on access specifier and inheritance used
10. Class with main() function can be inherited (True/False)
Correct Answer is : TRUE
11. Which among the following is false, for member function of a class?
Correct Answer is : Member functions need not be declared inside the class definition
12. Which syntax for class definition is wrong?
Correct Answer is : student class{ };
13. Which of the following pairs are similar?
Correct Answer is : Class and structure
14. Which among the following is false for class features?
Correct Answer is : Class definition must be ended with a colon
15. Instance of which type of class can’t be created?
Correct Answer is : Abstract class
16. What are constant member functions?
Correct Answer is : Functions which doesn’t change value of calling object
17. Which keyword must be used to declare a member function as a constant member function?
Correct Answer is : Const
18. Which objects can call the const functions?
Correct Answer is : Both const and non-const objects
19. Non-const functions _______________________
Correct Answer is : Can be called only from non-const object
20. Which is a correct condition on const member functions?
Correct Answer is : Const member functions can’t call non-const member functions
