Outputs this date-time as a {@code string}, such as
{@code 2007-12-03T10:15:30+01:00[Europe/Paris]}.
!(p)
The format consists of the {@code LocalDateTime} followed by the {@code ZoneOffset}.
If the {@code ZoneId} is not the same as the offset, then the ID is output.
The output is compatible with ISO-8601 if the offset and ID are the same.
@return a string representation of this date-time, not null
Outputs this date-time as a {@code string}, such as {@code 2007-12-03T10:15:30+01:00[Europe/Paris]}. !(p) The format consists of the {@code LocalDateTime} followed by the {@code ZoneOffset}. If the {@code ZoneId} is not the same as the offset, then the ID is output. The output is compatible with ISO-8601 if the offset and ID are the same.
@return a string representation of this date-time, not null