import java.util.*;
enum days {
SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY
}
public class EnumSetExample {
public static void main(String[] args) {
Set<days> set = EnumSet.of(days.TUESDAY, days.WEDNESDAY);
// Traversing elements
Iterator<days> iter = set.iterator();
while (iter.hasNext())
System.out.println(iter.next());
}
}