C# Interview Questions

What is the difference between ref and out keywords?

Can “this” be used within a static method

What is the difference between constant and readonly in C#?

What is the difference between Interface and Abstract Class in C#?

What is the difference between a struct and a class in C#?

What is Managed or Unmanaged Code?

What is an object in C#?

What are extension methods in C#?

What is the difference between the dispose and finalize methods in C#?

What is the difference between String and StringBuilder in C#?

What are delegates in C# and the uses of delegates?

What is boxing and unboxing in C#?

What is IEnumerable<> in C#?

What is the difference between late binding and early binding in C#?

What are the differences between IEnumerable and IQueryable?

What happens if the inherited interfaces have conflicting method names?

Can Multiple Catch Blocks be executed in C#?

What are Singleton Design Patterns and how to implement them in C#?

Difference between Throw Exception and Throw Clause