private static List < Field > getAllFieldsRec ( Class clazz , List < Field > fieldList ) { Class superClazz = clazz . getSuperclass ( ) ; if ( superClazz != null ) { getAllFieldsRec ( superClazz , fieldList ) ; } fieldList . addAll ( ArrayUtil . toList ( clazz . getDeclaredFields ( ) , Field . class ) ) ; return fieldList ; }
recursive method .