C# Design Pattern Interview Questions :- Which Design Pattern have you used?

Happy Engineers Day to Everyone!
In this 1 Hour video we have covered GOF and NON GOF C# Design Pattern Interview Questions around following 5 Patterns :-

Repository and UOW ( Unit Of Work)
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What is the use of repository pattern?
Is Dal (Data access Layer) and Repository same?
What is Generic repository pattern ?
Is abstraction the only benefit of Repository?
How to implement transaction in repository?
What is Unit of work design pattern?
Do we need repository pattern as EF does almost the same work?
Why repository pattern makes unit testing easy ?

Singleton Pattern
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Explain Singleton Pattern and the use of the same?
How did you implement singleton pattern?
Can we use Static class rather than using a private constructor?
Static vs Singleton pattern?
How did you implement thread safety in Singleton?
What is double null check in Singleton?
Can Singleton pattern code be made easy with Lazy keyword?
Can we rid of this double null check code?

CQRS Pattern
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Explain CQRS pattern ?
What is the benefit of CQRS ?
Explain CommandHandler class ?
What is the importance of GUID in CQRS ?
Is CQRS pattern compulsory ?
Are Models and CQRS classes same ?
What is the use of Mediatr ?
What is importance of Aggregate root in CQRS ?
What is event sourcing in CQRS and is it compulsory?
What are projections , read projections ?
Which event sourcing DB have you used ?

Factory Pattern
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Why do we need Factory pattern ?
What is the implication of new Keyword ?
Factory pattern helps for loose coupling , Explain ?
What is DI and IOC ?
The real factory pattern ?

Also see our other Step by Step video series below :-
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[lakshmankumargupta]

Thank you, Sir, for your invaluable resources! Your insights on interview preparation have greatly helped me, my friends and my network.

[anandrajput]

Sir you are awesome. Learn lots of thing from your video and still learning.

[waynegreen]

Good content! Thanks for taking the time to do this video! I have been a subscriber to your paid site for many years and have received a lot of value from it. (At first, your paid site was on your own platform, now it is on teachable). The interview questions material that you spoke of at the beginning of your video, is that material available on your paid site for paid subscribers??

[Msm-pm]

Hi Shiv sir, in one of the videos of Software architectures interview question, it was said we use Repository pattern for data access layer . Please guide and advice. On the same

[Vishnubhandarge]

Please sir can you start DSA C#. Please 🙏🙏🙏🙏

[kamleshkumarupadhyay]

Pls provide some session related to DSA topic

[abhilashchalissery]

No time for unit testing... Always thinks if I can prepare code for unit testing why can't test directly... 😄

[kisan.choudhari]

Can we use dapper with c# repository pattern ?

[Rickmorty]

Hello Sir, I am working since 6 months on .net core web api, we use postgresql for database function and its connected to db server through connection string and for UI we use angular...so I dont know exactky which kind of patterns we are using