Explain the difference between abstract class and interface.
can multiple catch blocks be executed for a single try statement?
What is form feed in c#?
Define delegate?
Give some examples of commonly used i/o classes?
What is dll in vb.net?
What are the characteristics of c#?
What is the main method in c#?
What is the process of delegation?
Is array passed by reference in c#?
Can we inherit singleton class in c#?
What is generic delegates in c#?
Explain how do you convert a value-type to a reference-type?