315      * @param rest the remaining elements the set is to contain initially

   315      * @param rest the remaining elements the set is to contain initially

   316      * @throws NullPointerException if any of the specified elements are null,

   316      * @throws NullPointerException if any of the specified elements are null,

   317      *     or if <tt>rest</tt> is null

   317      *     or if <tt>rest</tt> is null

   318      * @return an enum set initially containing the specified elements

   318      * @return an enum set initially containing the specified elements

   319      */

   319      */

   320     public static <E extends Enum<E>> EnumSet<E> of(E first, E... rest) {

   321     public static <E extends Enum<E>> EnumSet<E> of(E first, E... rest) {

   321         EnumSet<E> result = noneOf(first.getDeclaringClass());

   322         EnumSet<E> result = noneOf(first.getDeclaringClass());

   322         result.add(first);

   323         result.add(first);

   323         for (E e : rest)

   324         for (E e : rest)

   324             result.add(e);

   325             result.add(e);