question: private String convertToIsoDateTime ( String humanReadableDateTime ) throws ParseException { DateFormat dfInitial = new SimpleDateFormat ( "yyyy-MM-dd HH:mm:ss" ) ; Date initialDateTime = dfInitial . parse ( humanReadableDateTime ) ; DateFormat df = new SimpleDateFormat ( "yyyy-MM-dd'T'HH:mm:ss.S'Z'" ) ; return df . format ( initialDateTime ) ; }
target:  Convert string of datetime of format "yyyy-MM-dd HH:mm:ss" into ISO 8601 format "yyyy-MM-dd'T'HH:mm:ss.S'Z'"