OOPS Interview Questions and Answers | Object Oriented Programming Interview Questions C#
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150 C# Interview Questions &
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This 1 hour of video covers most asked Interview questions with answers around OOP Concepts -
00:00 Introduction
02:58 Question 01 :- Why do we need OOP?
06:47 Question 02 :- What are the important pillars in OOP?
09:55 Question 03 :- What is a Class and Object ?
11:01 Question 04 :- Abstraction VS Encapsulation ?
16:28 Question 05 :- Explain Inheritance ?
18:15 Question 06 :- Explain Virtual Keyword ?
18:15 Question 07 :- What is Overriding ?
19:30 Question 08 :- Explain Overloading ?
20:50 Question 09 :- Overloading VS Overriding ?
23:04 Question 10 :- What is Polymorphism ?
23:53 Question 11 :- Can Polymorphism work without Inheritance ?
24:43 Question 12 :- Explain Static VS Dynamic Polymorphism ?
26:32 Question 13 :- Explain Operator Overloading ?
27:18 Question 14 :- How to do Custom Operator Overloading ?
30:16 Question 15 :- Why do we need Abstract Classes ?
34:10 Question 16 :- Are Abstract methods Virtual ?
35:27 Question 17 :- Can we create an instance of Abstract Classes ?
35:27 Question 18 :- Is it compulsory to implement Abstract Methods ?
36:44 Question 19 :- Why simple base class cannot replace Abstract Classes?
38:51 Question 20 :- Explain Interface and Why do we need it ?
40:11 Question 21 :- Can we write logic in Interface ?
40:11 Question 22 :- Can we define methods as private in Interface ?
46:58 Question 23 :- To change Interface what's the best practice ?
47:07 Question 24 :- Explain Multiple Inheritance in Interfaces ?
51:08 Question 25 :- Explain Interface Segregation Principle ?
53:09 Question 26 :- Can we create instance of Interface ?
53:33 Question 27 :- Can we do multiple inheritance of Interface ?
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This 1 hour of video covers most asked Interview questions with answers around OOP Concepts -
00:00 Introduction
02:58 Question 01 :- Why do we need OOP?
06:47 Question 02 :- What are the important pillars in OOP?
09:55 Question 03 :- What is a Class and Object ?
11:01 Question 04 :- Abstraction VS Encapsulation ?
16:28 Question 05 :- Explain Inheritance ?
18:15 Question 06 :- Explain Virtual Keyword ?
18:15 Question 07 :- What is Overriding ?
19:30 Question 08 :- Explain Overloading ?
20:50 Question 09 :- Overloading VS Overriding ?
23:04 Question 10 :- What is Polymorphism ?
23:53 Question 11 :- Can Polymorphism work without Inheritance ?
24:43 Question 12 :- Explain Static VS Dynamic Polymorphism ?
26:32 Question 13 :- Explain Operator Overloading ?
27:18 Question 14 :- How to do Custom Operator Overloading ?
30:16 Question 15 :- Why do we need Abstract Classes ?
34:10 Question 16 :- Are Abstract methods Virtual ?
35:27 Question 17 :- Can we create an instance of Abstract Classes ?
35:27 Question 18 :- Is it compulsory to implement Abstract Methods ?
36:44 Question 19 :- Why simple base class cannot replace Abstract Classes?
38:51 Question 20 :- Explain Interface and Why do we need it ?
40:11 Question 21 :- Can we write logic in Interface ?
40:11 Question 22 :- Can we define methods as private in Interface ?
46:58 Question 23 :- To change Interface what's the best practice ?
47:07 Question 24 :- Explain Multiple Inheritance in Interfaces ?
51:08 Question 25 :- Explain Interface Segregation Principle ?
53:09 Question 26 :- Can we create instance of Interface ?
53:33 Question 27 :- Can we do multiple inheritance of Interface ?
-------------------------------------------------------------------------------------------------------------
For more such videos visit http://www.questpond.com
See our other Step by Step video series below :-
For more such videos subscribe questpondvideos
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AZ- 204 certification Azure:- Azure 204 Certification | AZ 204 Exam...
Learn MVC 5 step by step in 16 hours:- Learn ASP.NET MVC 5 ( Model view cont...
Learn Design Pattern Step by Step https://goo.gl/eJdn0m
Learn MSBI Step by Step in 32 hours:- https://goo.gl/TTpFZN
Python Tutorial for Beginners:- Python Tutorial for Beginners | Learn...
Learn Data Science in 1 hour :- https://tinyurl.com/y5o7qbau
Learn Power BI Step by Step:- https://tinyurl.com/y6thhkxw
------------------------------------------------------------------------------------------------
For more details :-
🌐 Website : www.questpond.com
📱 Mob. No. : +91-9967590707 / +91 7700975156 / +91-22-49786776
📧Email : [email protected] / [email protected] / [email protected]
Share, Support, Subscribe and Connect us on!!!
YouTube: questpondvideos
Twitter: Twitter: questpond
Instagram : Instagram: questpond
Facebook : Facebook: Questpond
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