Object Oriented Programming interview questions part 32
Object Oriented Programming interview questions part 32
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What is size of the object of following class (64 bit system)? class student { int rollno; char name[20]; static int studentno; };
Correct Answer is : 24
2. Functions can’t return objects. (True/False)
Correct Answer is : FALSE
3. How members of an object are accessed?
Correct Answer is : Using dot operator/period symbol
4. If a local class is defined in a function, which of the following is true for an object of that class?
Correct Answer is : Object can be used/accessed/declared locally in that function.
5. Which among the following is wrong?
Correct Answer is : abstract class student{ }; student s;
6. Object declared in main() function:
Correct Answer is : Can’t be used by any other function
7. When an object is returned___________
Correct Answer is : A temporary object is created to return the value
8. Which among the following is correct?
Correct Answer is : class student{ }s1,s2; s1=s2;
9. Which among following is correct for initializing the class below? class student{ int marks; int cgpa; public: student(int i, int j){ marks=I; cgpa=j } };
Correct Answer is : student s[2]={ s(394,9), s(222,5) };
10. Object can’t be used with pointers because they belong to user defined class, and compiler can’t decide the type of data may be used inside the class. (True/False)
Correct Answer is : FALSE
11. Which was the first purely object oriented programming language developed?
Correct Answer is : SmallTalk
12. Which was the first purely object oriented programming language developed?
Correct Answer is : SmallTalk
13. Which of the following best defines a class?
Correct Answer is : Instance of an object
14. Which of the following best defines a class?
Correct Answer is : Instance of an object
15. Who invented OOP?
Correct Answer is : Alan Kay
16. Who invented OOP?
Correct Answer is : Alan Kay
17. What is the additional feature in classes that was not in structures?
Correct Answer is : Member functions
18. What is the additional feature in classes that was not in structures?
Correct Answer is : Member functions
19. Which is not feature of OOP in general definitions?
Correct Answer is : Duplicate/Redundant data
20. Which is not feature of OOP in general definitions?
Correct Answer is : Duplicate/Redundant data
