C# OOPS Interview Questions with Answers

Posted by Questpond under OOPS category on | Points: 350 | Views : 1681
This video will be demonstrating Top 25 OOPs Interview Questions and answers -
Question 01 :- Why do we need OOP?
Question 02 :- What are the important pillars in OOP?
Question 03 :- What is a Class and Object ?
Question 04 :- Abstraction VS Encapsulation ?
Question 05 :- Explain Inheritance ?
Question 06 :- Explain Virtual Keyword ?
Question 07 :- What is Overriding ?
Question 08 :- Explain Overloading ?
Question 09 :- Overloading VS Overriding ?
Question 10 :- What is Polymorphism ?
Question 11 :- Can Polymorphism work without 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 an instance of Abstract Classes ?
Question 18 :- Is it compulsory to implement Abstract Methods ?
Question 19 :- Why simple base class cannot replace Abstract Classes?
Question 20 :- Explain Interface 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 :- To change Interface what's the best practice ?
Question 24 :- Explain Multiple Inheritance in Interfaces ?
Question 25 :- Explain Interface Segregation Principle ?
Question 26 :- Can we create instance of Interface ?
Question 27 :- Can we do multiple inheritance of Interface ?



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