public LocalDate plusDays (long daysToAdd)

Returns a copy of this LocalDate with the specified number of days added.

This method adds the specified amount 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.

For example, 2008-12-31 plus one day would result in 2009-01-01.

This instance is immutable and unaffected by this method call.

Parameters:
daysToAdd    the days to add, may be negative

Returns:  a LocalDate based on this date with the days added, not null

Exceptions:
DateTimeException    if the result exceeds the supported date range