using System;
public enum TimeOfDay {
Morning = 0,
Afternoon = 1,
Evening = 2
}
class EnumExample {
public static void Main() {
WriteGreeting(TimeOfDay.Morning);
}
static void WriteGreeting(TimeOfDay timeOfDay) {
switch (timeOfDay) {
case TimeOfDay.Morning:
Console.WriteLine("Good morning!");
break;
case TimeOfDay.Afternoon:
Console.WriteLine("Good afternoon!");
break;
case TimeOfDay.Evening:
Console.WriteLine("Good evening!");
break;
default:
Console.WriteLine("Hello!");
break;
}
}
}