void formatISOWeekOfYear ( StringBuilder b , ZonedDateTime d , int width ) { int w = d . get ( IsoFields . WEEK_OF_WEEK_BASED_YEAR ) ; switch ( width ) { case 2 : zeroPad2 ( b , w , 2 ) ; break ; case 1 : b . append ( w ) ; break ; } }
Format the week number of the year .