c# interview questions and answers

Part 3 Why and when should we use an abstract class

Link for code samples used in the demo
http://csharp-video-tutorials.blogspot.com/2013/09/part-3-why-and-when-should-we-use.html

Link for csharp, asp.net, ado.net, dotnet basics, mvc and sql server video tutorial playlists
http://www.youtube.com/user/kudvenkat/playlists

This question can also be asked in a slightly different way
Give an example of where we could use an abstract class?

Let us understand when to use an abstract class with an example. An organisation has 2 types of employees
1. FullTimeEmployee
2. ContractEmployee

We would create an abstract class, when want to move the common functionality of 2 or more related classes into a base class and when, we don’t want that base class to be instantiated.