C-Sharp (C#) Interview Questions and Answers (FAQs)

GAC stands for Global Access Cache where shareable/public assemblies (DLL) stored to be used by multiple programs. It gives a shared platform for programs to use single assembly and can store same assembly (of same name) with different versions and can help to solve DLL HELL.


	What is the advantage of using System.Text.StringBuilder over System.String?

	What are Identifiers?

	How many Predefined Reference Types supported by C#?

	What is Namespace?

	Can you write a class without specifying namespace? Which namespace does it belong to by default?



	Does C# support variable method arguments?

	Is it possible to have a static indexer in C#?

	What does Dispose method do with the connection object?

	Where is the output of TextWriterTraceListener redirected?

	What is the difference between System.String and System.StringBuilder classes?