Proper way of defining an extension method for a string class in C# is:

int[] myArray = new int[10]; What will be the value of myArray[1]?

Can Abstract class support constructors ?

What is the main difference between ref and out parameters when being passed to a method?

Interfaces in C# cannot contain:

Consider the following code snippet: public class A {...} public class B: A {...} public class C:B {...} then from the following options, which one will give a compile time error?

Which of the following statements are correct about delegates?

Which of the following statements about deleagtes are UNTRUE?

Consider the following delegate declaration,Which of the following are TRUE? delegate void del(int i);

DataContext class acts as a bridge between SQL Server database and the _____ to SQL?

Which of the following code samples will read an integer from a byte[]?