Most Asked OOP Interview (50 Q&A) PDF

Object-Oriented Programming (OOP) Interview Questions and Answers

Object-Oriented Programming (OOP) is a popular programming paradigm that has been widely used in software development for decades. If you’re looking to land a job as a software developer, you’ll need to have a solid understanding of OOP concepts and principles.

To help you prepare for your next OOP interview, we have compiled a list of the most commonly asked OOP interview questions and answers. This PDF contains 50 Q&A that cover topics such as inheritance, polymorphism, encapsulation, abstraction, and more.

OOP Interview Questions PDF

By studying these questions and answers, you’ll be well-prepared to tackle any OOP interview with confidence. So, let’s dive in and start preparing for your next OOP interview!

Contents

1. What is Object-Oriented Programming (OOP)?
2. What is a class in OOP?
3. What is an object in OOP?
4. What is encapsulation in OOP?
5. What is inheritance in OOP?
6. What is polymorphism in OOP?
7. What are the four pillars of OOP?
8. What is abstraction in OOP?
9. What is a constructor in OOP?
10. What is method overriding in OOP?
11. What is method overloading in OOP?
12. What is the difference between method overriding and method overloading?
13. What is a static method in OOP?
14. What is a static variable in OOP?
15. What is an instance variable in OOP?
16. What is a constructor overloading?
17. What is an abstract class in OOP?
18. What is an interface in OOP?
19. What is multiple inheritance in OOP?
20. What is a package in OOP?
21. What is a namespace in OOP?
22. What is the difference between a class and an object in OOP?
23. What is the difference between a superclass and a subclass in OOP?
24. What is the difference between composition and inheritance?
25. What is the SOLID principle in OOP?
26. What is the Single Responsibility Principle (SRP)?
27. What is the OpenClosed Principle (OCP)?
28. What is the Liskov Substitution Principle (LSP)?
29. What is the Interface Segregation Principle (ISP)?
30. What is the Dependency Inversion Principle (DIP) ?
31. What is the difference between composition and aggregation?
32. What is method hiding in OOP?
33. What is the difference between early binding and late binding?
34. What is the difference between shallow copying and deep copying?
35. What is a design pattern in OOP?
36. What is the Observer pattern?
37. What is the Factory pattern?
38. What is the Singleton pattern?
39. What is the Builder pattern?
40. What is the Prototype pattern?
41. What is the MVC pattern?
42. What is the MVVM pattern?
43. What is the Dependency Injection pattern?
44. What is the Command pattern?
45. What is the Template Method pattern?
46. What is the Iterator pattern?
47. What is the Composite pattern?
48. What is the Decorator pattern?
49. What is the Adapter pattern?
50. What is the Proxy pattern?

Nu Of Pages

7 Pages

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