C# Interview/Viva-voce Questions

Ques. : What is C#?

Ques. : How is C# different from C/C++?

Ques. : Why do we use C# language?

Ques. : What are namespaces in C#?

Ques. : Explain the features/importance of C# briefly.

Ques. : What is the benefit of ‘using’ keyword/statement in C#?

Ques. : Lists the important IDEs used for C# development provided by Microsoft.

Ques. : What is the difference between the Equality Operator (==) and Equals() Method in C#?

Ques. : Explain the advantages of C#.

Ques. : What is Singleton’s design pattern in C#?

Ques. : List the different types of comments used in C#.

Ques. : Name all the C# access modifiers.

Ques. : What is tuple in C#?

Ques. : What is the difference between “is” and “as” operators in c#?

Ques. : Explain the use of the ‘partial’ keyword in C#.

Ques. : What are sealed classes in C#?

Ques. : What are the different types of classes in C#?

Ques. : In C#, what is a Hash table class?

Ques. : What is the Constructor Chaining in C#? 

Ques. : What is garbage collection in C#?

Ques. : What is managed or unmanaged code in C#?

Ques. : What is the difference between Dispose() and Finalize()methods in C#?

Ques. : How do you inherit a class into another class in C#?

Ques. : What are indexers in C# .NET?

Ques. : What is LINQ in C#?

Ques. : What are the differences between ‘ref’ and ‘out’ keywords in C#?

Ques. : What is Reflection in C#?

Ques. : What are Indexers in C#?

Ques. : What is Boxing and Unboxing in C#?

Ques. : What are delegates in C#?