Whether you’re a fresher or an experienced .Net developer, preparing for an interview can be challenging. Here are the top 25 interview questions along with their answers to help you get ready for your next .Net developer interview:
Watch the Video which will help you to learn all these 25 Important questions in 60 minutes.
Video Link:- https://youtu.be/u99wAoBjDvQ
To see what questions are covered in this Video just scroll below.
Understanding Object-Oriented Programming: Key Questions and Concepts
Object-Oriented Programming (OOP) is a fundamental programming paradigm that is widely used in the software development industry. It provides a structured approach to designing and implementing software systems. In this blog post, we will explore some key questions and concepts related to OOP.
List of Questions
- Question 1 :- Why do we need OOP ?
- Question 2 :- What are the important pillars in OOP ?
- Question 3 :- What is a class and object ?
- Question 4 :- Abstraction vs Encapsulation?
- Question 5 :- Explain Inheritance ?
- Question 6 :- Explain virtual keyword ?
- Question 7 :- What is overriding ?
- Question 8 :- Explain overloading ?
- Question 9 :- Overloading vs Overriding ?
- Question 10 :- What is polymorphism ?
- Question 11 :- Can polymorphism work with out inheritance?
- Question 12 :- Explain static vs dynamic polymorphism.
- Question 13 :- Explain operator overloading.
- Question 14 :- How to do custom operator overloading?
- Question 15 :- Why do we need Abstract classes?
- Question 16 :- Are Abstract methods virtual ?
- Question 17 :- Can we create a instance of Abstract classes ?
- Question 18 :- Is it compulsory to implement Abstract methods ?
- Question 19 :- Why simple base class can not replace Abstract class ?
- Question 20 :- Explain interfaces and why do we need it ?
- Question 21 :- Can we write logic in interface ?
- Question 22 :- Can we define methods as private in interface?
- Question 23 :- If I want to change the interface whats the best practice?
- Question 24 :- Explain Multiple inheritance in Interface ?
- Question 25 :- Explain Interface Segregation principle ?
- Question 26 :- Can we create instance of interface ?
- Question 27 :- Can we do Multiple inheritance with Abstract classes ?