Structures and Enumerations - General Questions

What is the output of the following program?

var s = Size.Medium;
Console.WriteLine(s);
enum Size { Small, Medium, Large }

Which is a good use of a struct?

What is the underlying type of an enum by default?

What is the output of the following program?

Console.WriteLine((int)Level.High);
enum Level { Low, Medium = 5, High }

What is the output of the following program?

Console.WriteLine(Enum.Parse<Day>("Wed") == Day.Wed);
enum Day { Mon, Tue, Wed }