C# interview questions and answers

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30 C# interview questions and answers
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Below is the list of csharp interview questions covered in the video.

Question 1 :- Explain difference between .NET and C# ?
Question 2 :- .NET Framework vs .NET Core vs .NET 5.0
Question 3 :- What is IL ( Intermediate Language) Code ?
Question 4 :- What is the use of JIT ( Just in time compiler) ?
Question 5 :- Is it possible to view IL code ?
Question 6 :- What is the benefit of compiling in to IL code ?
Question 7 :- Does .NET support multiple programming languages ?
Question 8 :- What is CLR ( Common Language Runtime) ?
Question 9 :- What is managed and unmanaged code ?
Question 10 :- Explain the importance of Garbage collector ?
Question 11 :- Can garbage collector claim unmanaged objects ?
Question 12 :- What is the importance of CTS ?
Question 13 :- Explain CLS ?
Question 14 :- Difference between Stack vs Heap ?
Question 15 :- What are Value types & Reference types?
Question 16 :- Explain boxing and unboxing ?
Question 17 :- What is consequence of boxing and unboxing ?
Question 18 :- Explain casting,implicit casting and explicit casting ?
Question 19 :- What can happen during explicit casting ?
Question 20 :- Differentiate between Array and ArrayList ?
Question 21 :- Whose performance is better array or arraylist ?
Question 22 :- What are generic collections ?
Question 23 :- What are threads (Multithreading)?
Question 24 :- How are threads different from TPL ?
Question 25 :- How do we handle exceptions in C#(try/catch)?
Question 26 :- What is the need of finally?
Question 27 :- Why do we need the out keyword ?
Question 28 :- What is the need of Delegates ?
Question 29 :- What are events ?
Question 30 :- Whats the difference between Abstract class and interface ?

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