*Top 50 OOPs Interview Questions & Answers | Object Oriented Programming Interview Questions*
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Are you preparing for an interview where they might quiz you on Object-Oriented Programming, or OOP for short? Well, you're in luck.
Today, we're going to cover the top 50 OOPs interview questions that could come your way. Whether it's understanding the difference between a class and an object, or explaining concepts like inheritance, polymorphism, encapsulation, or data abstraction this video has got you covered.
By the end of this video, you'll be well-equipped to tackle those OOPs questions with confidence. So, let's dive in and get you ready to ace that interview! So let’s start with top 50 most asked OOPs interview questions.
Top 50 OOPs Interview Questions & Answers
00:41 - 1. What is Object-oriented programming?
01:38 - 2. What are the main features of object-oriented programming?
04:21 - 3. What are the advantages of Object-oriented programming?
09:19 - 4. What is Structural programming?
09:47 - 5. What is a class?
10:15 - 6. What do you mean by an object?
10:58 - 7. Is it always necessary to create objects from class?
11:26 - 8. What is a constructor?
12:08 - 9. List the various types of constructors
12:26 - 10. What is a destructor?
12:56 - 11. What is meant by a copy constructor?
13:23 - 12. highlight the difference between a class and a structure.
13:47 - 13. explain the concept of inheritance with an example.
14:29 - 14. What are the limitations of inheritance?
14:57 - 15. What are the various types of inheritance?
16:50 - 16. What is the meaning of hierarchical inheritance?
17:08 - 17. Distinguish between multiple and multi-level inheritances.
18:00 - 18. How do you define hybrid inheritance?
18:26 - 19. What is a subclass?
18:47 - 20. Define a superclass.
19:02 - 21. What is meant by an interface?
19:56 - 22. What is polymorphism?
20:13 - 23. What is meant by static polymorphism?
20:27 - 24. What is meant by dynamic polymorphism?
20:39 - 25. What is method overloading?
20:57 - 26. What is the meaning of method overriding?
21:13 - 27. Can you explain what operator overloading is?
21:44 - 28. How do you explain the difference between overloading and overriding?
12:11 - 29. What do you know about encapsulation?
22:30 - 30. What is meant by data abstraction?
22:44 - 31. How can data abstraction be accomplished?
23:18 - 32. What is meant by abstract class?
23:39 - 33. Can you please elaborate on ‘access specifiers’?
24:04 - 34. How do you create an instance of an abstract class?
24:21 - 35. What is a virtual function?
24:52 - 36. What is a pure virtual function?
25:11 - 37. Distinguish between data abstraction and encapsulation.
25:50 - 38. What are the differences between interfaces and abstract classes?
26:39 - 39. What is a final variable?
27:09 - 40. What is meant by an exception?
28:01 - 41. Define exception handling
28:27 - 42. Is an error the same as an exception?
29:02 - 43. What is a try-catch block?
29:21 - 44. What is a finally block?
30:02 - 45. What is the method ‘finalize’ used for?
30:36 - 46. What is Garbage Collection, and how does it work?
30:52 - 47. Should you always use Object-oriented programming? Are there any limitations of Object-oriented programming?
31:33 - 48. What are the important Object Oriented Programming languages?
33:18 - 49. What are the limitations of OOPs?
35:24 - 50. How does C++ programming language support Polymorphism?
And with that, we’ve wrapped up our 50 OOPs interview questions and answers! I hope you found this video helpful. If you did, don’t forget to give it a thumbs up and like the video. If you have any questions, feel free to drop them in the comments below. Thanks for watching!