code: public static boolean truncatedEquals(final Date date1, final Date date2, final int field) {
          return truncatedCompareTo(date1, date2, field) == 0;
      }
docs: Determines if two dates are equal up to no more than the specified
  most significant field.
  
  @param date1 the first date, not <code>null</code>
  @param date2 the second date, not <code>null</code>
  @param field the field from {@code Calendar}
  @return <code>true</code> if equal; otherwise <code>false</code>
  @throws IllegalArgumentException if any argument is <code>null</code>
  @see #truncate(Date, int)
  @see #truncatedEquals(Calendar, Calendar, int)
  @since 3.0