code: @Override
      public int get(TemporalField field) {
          if (field instanceof ChronoField) {
              ChronoField f = (ChronoField) field;
              return (f.isTimeBased() ? time.get(field) : date.get(field));
          }
          return ChronoLocalDateTime.super.get(field);
      }
docs: Gets the value of the specified field from this date-time as an {@code int}.
  <p>
  This queries this date-time for the value of the specified field.
  The returned value will always be within the valid range of values for the field.
  If it is not possible to return the value, because the field is not supported
  or for some other reason, an exception is thrown.
  <p>
  If the field is a {@link ChronoField} then the query is implemented here.
  The {@link #isSupported(TemporalField) supported fields} will return valid
  values based on this date-time, except {@code NANO_OF_DAY}, {@code MICRO_OF_DAY},
  {@code EPOCH_DAY} and {@code PROLEPTIC_MONTH} which are too large to fit in
  an {@code int} and throw a {@code DateTimeException}.
  All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
  <p>
  If the field is not a {@code ChronoField}, then the result of this method
  is obtained by invoking {@code TemporalField.getFrom(TemporalAccessor)}
  passing {@code this} as the argument. Whether the value can be obtained,
  and what the value represents, is determined by the field.
  
  @param field  the field to get, not null
  @return the value for the field
  @throws DateTimeException if a value for the field cannot be obtained or
  the value is outside the range of valid values for the field
  @throws UnsupportedTemporalTypeException if the field is not supported or
  the range of values exceeds an {@code int}
  @throws ArithmeticException if numeric overflow occurs