public class EnumExample
{
	// Here we define the enum as a nested class within class EnumExample
	public enum WeekDay
	{
		// The values a variable of this type can adopt
		MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY;

		// We can even write a method for this enum class
		public WeekDay getNextWeekDay()
		{ 
			WeekDay result;
			// We can use enumerated types in switch statements
			switch (this)
			{
				case MONDAY:	result = TUESDAY;	break;
				case TUESDAY:	result = WEDNESDAY;	break;
				case WEDNESDAY:	result = THURSDAY;	break;
				case THURSDAY:	result = FRIDAY;	break;
				case FRIDAY:	result = MONDAY;	break;

				default:
				 System.out.println("Ooops! fallen off the switch!");
				 result = MONDAY;
			}
			return result;
		}
	}

	public static void main(String[] args)
	{
		WeekDay today = WeekDay.TUESDAY;
		WeekDay myDayOff = WeekDay.WEDNESDAY;
		WeekDay tomorrow = today.getNextWeekDay();

		// We can compare enumerated types
		if (tomorrow == myDayOff)
		{ System.out.println("Hooray!"); }

		else
		{ System.out.println("Boo hoo hoo!"); }

	}
}