question: determines if a string has been changed . concode_field_sep ListIterator<T> _i concode_field_sep T next concode_elem_sep boolean areBooleansDifferent concode_elem_sep String getTimeFromLong concode_elem_sep boolean hasNonNullElement concode_elem_sep boolean hasNext concode_elem_sep String concat concode_elem_sep String concat concode_elem_sep void remove concode_elem_sep boolean areEqual concode_elem_sep boolean areBooleansEqual concode_elem_sep String nullifyIfEmpty concode_elem_sep List<T> iteratorAsList concode_elem_sep boolean areDifferent concode_elem_sep String nullifyingToString concode_elem_sep boolean hasLength concode_elem_sep Iterator<T> reverseListIterator
target: boolean function ( String arg0 , String arg1 ) { if ( arg0 == null && arg1 == null ) { return false ; } else if ( arg0 == null || arg1 == null ) { return true ; } else { return ! arg0 . equals ( arg1 ) ; } }