String time="12:00:00"
DateFormat df = new SimpleDateFormat("HH:mm:dd");
Date date = null;try {date = df.parse(time);} catch (ParseException e) {e.printStackTrace();} Date afterDate = new Date(date.getTime()+900000);System.out.println("dateafter is :" + afterDate);以后我会去到很多很繁华或苍凉,