C# Interview Questions – Level 2 (3 – 6 Yrs)

General Questions

  • What do you mean by a static constructor and why do we use it?
  • What do you mean by a static class? Why do we use a static class?
  • Why do we use nullable type variables?
  • What do you mean by event, delegate, and multicast delegate in C#?
  • Why c# main method is static?
  • What’s the difference between Boxing/Unboxing and Casting?
  • Why do we need a property?
  • What is a Delegates?
  • What is an Event?
  • What is the difference between Interface and Abstract class? How do you decide which one to use in a particular situation?
  • Explain the difference between Equals and “==”
  • What’s the difference between System.String and System.StringBuilder classes?
  • What is the use of IDisposable interfaces?
  • What’s the difference between Dictionary and Hashtable?

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s