What is the differnece between Abstract class & Interface?
In an abstract class, we can create the functionality and that needs to be implemented by the derived class. The interface allows us to define...
Why do we use virtual and override?
http://stackoverflow.com/questions/7875580/why-do-we-use-virtual-and-override http://www.codeproject.com/Articles/18734/Method-Overriding-in-C http://programcall.com/25/csnet/method-overriding-in-csnet.aspx
Interface in C# using an example
http://www.onlinebuff.com/article_implementing-interface-in-c-with-an-example_18.html http://www.codeproject.com/Articles/18743/Interfaces-in-C-For-Beginners
What is Classes and Objects in C# .NET ?
Objects are created from Classes, The Windows Form itself is a Class, and when you run your program, you are creating Objects: a Form object, a...
What is an Interface?
An interface is not a class. It is an entity that is defined by the word Interface. An interface has no implementation; it only has...
What is the difference between Object and Instance?
An instance of a user-defined type is called an object. We can instantiate many objects from one class. An object is an instance of a...
What is the difference between early binding and late binding?
Calling a non-virtual method, decided at a compile time is known as early binding. Calling a virtual method (Pure Polymorphism), decided at a runtime is...
What is Polymorphism?
Behaving in different ways depending upon input receive is know as polymorphism. i.e. whenever input changes automatically output or behavior also changes. There are basically...
What is Abstraction? Why we use it?
Abstraction which denotes/shows the essential characteristics of an object which distinguish it from all other kinds of objects.Ex. Consider a person details.Doctor needs || Interviewer...
Static Class
Static Class: Declared with Static keyword, methods in Static Class are also static along with variables of the class. This class cannot be instantiated, i.e...