Returns the first _in month adjuster, which returns a new date
_in the same month with the first matching day-of-week.
This is used for expressions like 'first Tuesday _in March'.
!(p)
The ISO calendar system behaves as follows:!(br)
The input 2011-12-15 for (MONDAY) will return 2011-12-05.!(br)
The input 2011-12-15 for (FRIDAY) will return 2011-12-02.!(br)
!(p)
The behavior is suitable for use with most calendar systems.
It uses the {@code DAY_OF_WEEK} and {@code DAY_OF_MONTH} fields
and the {@code DAYS} unit, and assumes a seven day week.
@param dayOfWeek the day-of-week, not null
@return the first _in month adjuster, not null
Returns the first _in month adjuster, which returns a new date _in the same month with the first matching day-of-week. This is used for expressions like 'first Tuesday _in March'. !(p) The ISO calendar system behaves as follows:!(br) The input 2011-12-15 for (MONDAY) will return 2011-12-05.!(br) The input 2011-12-15 for (FRIDAY) will return 2011-12-02.!(br) !(p) The behavior is suitable for use with most calendar systems. It uses the {@code DAY_OF_WEEK} and {@code DAY_OF_MONTH} fields and the {@code DAYS} unit, and assumes a seven day week.
@param dayOfWeek the day-of-week, not null @return the first _in month adjuster, not null