question: checks whether there are any more elements in the iteration to obtain . concode_field_sep Iterator<? extends E> lastUsedIterator concode_elem_sep E root concode_elem_sep Transformer<? super E,? extends E> transformer concode_elem_sep boolean hasNext concode_elem_sep Iterator<? extends E> currentIterator concode_elem_sep Deque<Iterator<? extends E>> stack concode_elem_sep E currentValue concode_field_sep E next concode_elem_sep void findNextByIterator concode_elem_sep void findNext concode_elem_sep void updateCurrentIterator concode_elem_sep void remove
target: boolean function ( ) { updateCurrentIterator ( ) ; return hasNext ; }