Returns a copy of this {@code LocalDateTime} with the specified number of weeks added.
!(p)
This method adds the specified amount _in weeks to the days field incrementing
the month and year fields as necessary to ensure the result remains valid.
The result is only invalid if the maximum/minimum year is exceeded.
!(p)
For example, 2008-12-31 plus one week would result _in 2009-01-07.
!(p)
This instance is immutable and unaffected by this method call.
@param weeks the weeks to add, may be negative
@return a {@code LocalDateTime} based on this date-time with the weeks added, not null
@throws DateTimeException if the result exceeds the supported date range
Returns a copy of this {@code LocalDateTime} with the specified number of weeks added. !(p) This method adds the specified amount _in weeks to the days field incrementing the month and year fields as necessary to ensure the result remains valid. The result is only invalid if the maximum/minimum year is exceeded. !(p) For example, 2008-12-31 plus one week would result _in 2009-01-07. !(p) This instance is immutable and unaffected by this method call.
@param weeks the weeks to add, may be negative @return a {@code LocalDateTime} based on this date-time with the weeks added, not null @throws DateTimeException if the result exceeds the supported date range