Method getLast

corpus/java/training/guava/collect/Iterables.java:764–775

Returns the last element of iterable. If iterable is a List with RandomAccess support, then this operation is guaranteed to be O(1). @return the last element of iterable @throws NoSuchElementException if the iterable is empty

(Iterable<T> iterable)

   * @throws NoSuchElementException if the iterable is empty
   */
  public static <T> T getLast(Iterable<T> iterable) {
    // TODO(kevinb): Support a concurrently modified collection?
    if (iterable instanceof List) {
      List<T> list = (List<T>) iterable;
      if (list.isEmpty()) {
        throw new NoSuchElementException();
      }
      return getLastInNonemptyList(list);
    }

    return Iterators.getLast(iterable.iterator());
  }

  /**
   * Returns the last element of {@code iterable} or {@code defaultValue} if