Method getNext

output/java_guava/1.4.17/Iterators.java:865–868

Returns the next element in iterator or defaultValue if the iterator is empty. The Iterables analog to this method is Iterables#getFirst. @param defaultValue the default value to return if the iterator is empty @return the next element of iterator or the def

(Iterator<? extends T> iterator, @Nullable T defaultValue)

   */

  @Nullable
  public static <T> T getNext(Iterator<? extends T> iterator, @Nullable T defaultValue) {
    return iterator.hasNext() ? iterator.next() : defaultValue;
  }

  /**
   * Advances {@code iterator} to the end, returning the last element.