Java EnumSet class is the specialized Set implementation for use with enum types. It inherits AbstractSet class and implements the Set interface.
Section 37.1: Enum Set Example
| 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()); } } |
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