What does this program output? public class Program { struct Thing { public string Color { get; set; } } public static void Main(params string[] args) { Thing one = new Thing { Color = "Red" }; Thing two = new Thing { Color = "Green" }; two = one; two.Color = "Blue"; Console.WriteLine(one.Color); } }

A difference between a struct and a class is that...

Extension methods in C#...

In C#, if you would like to create a class across multiple files, you should precede the class definition with...

How many classes can a single class inherit?

From which class do you need to derive to implement a custom attribute?

Which of the following is the correct way to convert a Byte Array to a Hexadecimal String, and vice versa?

Consider the following code: class Program { static void Main(string[] args) { float f = double d = decimal dc = 0; PrintDouble(f); // Statement 1 PrintDouble(d); // Statement 2 PrintDouble(dc); // Statement 3 } static private void PrintDouble(double d) { Console.WriteLine(d.ToString()); } } Which of the following are true?

Which of the following predefined attributes in C# ?

Where should auto implemented properties be initialized to a Default value? 

Select the type argument of an open constructed type.