code: public static Date getDateWithPrevDays(int noOfDays) throws ParseException {
          Calendar currentDate = Calendar.getInstance();
          currentDate.add(Calendar.DATE, -noOfDays);
          SimpleDateFormat formatter = new SimpleDateFormat(DATE_yyyyMMddTHHmmssSSSZ);
          String dateNow = formatter.format(currentDate.getTime());
          return getDateFromString(dateNow);
      }
docs: Method to get the Date instance for the given days to be subtracted to the current date
  
  @param noOfDays
  @return the Date instance
  @throws ParseException