code: public static Date addMinutes(final Date date, final int addMinutes)
  	{
  		final Calendar dateOnCalendar = Calendar.getInstance();
  		dateOnCalendar.setTime(date);
  		dateOnCalendar.add(Calendar.MINUTE, addMinutes);
  		return dateOnCalendar.getTime();
  	}
docs: Adds minutes to the given Date object and returns it. Note: you can add negative values too
  for get date in past.
  
  @param date
  The Date object to add the minutes.
  @param addMinutes
  The days to add.
  @return The resulted Date object.