code: public static Date substractMonthsFromDate(final Date date, final int substractMonths)
  	{
  		final Calendar dateOnCalendar = Calendar.getInstance();
  		dateOnCalendar.setTime(date);
  		dateOnCalendar.add(Calendar.MONTH, substractMonths * -1);
  		return dateOnCalendar.getTime();
  	}
docs: Substract months to the given Date object and returns it.
  
  @param date
  The Date object to substract the months.
  @param substractMonths
  The months to substract.
  @return The resulted Date object.