boolean function ( ) { if ( position == null ) return true ; return false ; }
tests if the iterator is at the end of the list . concode_field_sep Node next concode_elem_sep Node last concode_elem_sep Object data concode_elem_sep Node previous concode_elem_sep Node position concode_elem_sep Node first concode_field_sep void next concode_elem_sep void add concode_elem_sep void addLast concode_elem_sep Iterator iterator concode_elem_sep Object getFirst concode_elem_sep Object removeFirst concode_elem_sep Object get concode_elem_sep boolean hasNext concode_elem_sep Object getLast concode_elem_sep Object removeLast concode_elem_sep void remove concode_elem_sep void addFirst