What are Extension Methods in C# ? | C# Interview Questions & Answers

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See our other Step by Step video series below :-

In this video we will try to understand what are extension methods in c# / .NET and in what scenarios we should use them. This is also a favourite interview question which is asked during .NET and c# interviews.

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This is an awesome video. Very easy and straightforward

mnemukula

great video, i like it ...
first time i heard about extension methods I thought of " visitor pattern " ...
thanks million for this explanation...
waiting for more wonderful videos

MiddleEasternInAmerica

Good and easy explanation. Thank-You sir.

AmmarTheTrainer

first time i understood this concept through this video

satyaphani

Outstanding explanation. Thanks a lot.

imadabab

Is it still possible if i create an interface with the add object in it then implements it to an interface of the subtract function?

rainvictorron

Listening this in 2021. Osm video sir.

NeerajKumar-zhbv

Your sound quality is very nice that we expect...

DHARMENDRAKUMARdkp

Why static is used for extension methods and that class

tvsnmurthy

Hello sir
Can u make a video on object cloning in c# ?

Space_Science_Facts-U

How can without initializing the somemoremath class (obj1) you use in program .cs to call subtract?

kraadhithya

I have a question though. How can I use the same string in multiple methods

tinotendagarwe

c# and .NET training :- What are extension methods in c# ? (Interview questions)

questpondvideos

If Extension methods are implemented as static member then how it is possible to use them as instance member? What concept C# uses behind the scene?

vinodpasi

please explain why you are writing extension method in that way? why maths class is added in parameters?

ctaproductions

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questpondvideos

How about inherting a math class to new class and add subtract method over there and it can be used by initializing child and also this child initialization can use add method of parent

bossofyoutube

Extension Methods are for LINQ. Only static props can be used in it.

manojsharma

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