What are partial types in c#?
What are delegate methods?
What is the default value of boolean variable?
How do you inherit from a class in C#?
Why is it efficient to use System.string under System.Text.StringBuilder ?
Different between method overriding and method overloading?
Why delegates are type safe?
There were a lot of questions asked, so I will list the topic (and add a what is "topic" and know pros/cons). Extreme programming, what is a transaction, various SDLC design approaches, what is a namespace, define a good test case, what is a stored proc, webservice? design patterns? linker? compiler? access modifiers? stack vs. queue? arrays vs. linked lists? sorting algorithms? recursion? OOP principles?
What is a collection class in c#?
What is an abstract class c#?
What is difference between c and c sharp?
What is the keyword used to prevent a class from being inherited by another class?
Can abstract class have private constructor c#?