code: public static long getMinutesDifference(Date startDate, Date endDate) {
  		long startTime = startDate.getTime();
  		long endTime = endDate.getTime();
  		long diffTime = endTime - startTime;
  		long diffInMinutes = TimeUnit.MILLISECONDS.toMinutes(diffTime);
  		return diffInMinutes;
  	}
docs: Gets the minutes difference.
  
  @param startDate the start date
  @param endDate   the end date
  @return the minutes difference