Type: Integer
The firstWeekOfYear property of the DateFormat class contains the week that is considered the first week of the year in the locale. The firstWeekOfYear property values are listed in the following table.
| Value | Class Constant | Description |
|---|---|---|
| 0 | WeekOfJan1 | Week containing the first day of the first month |
| 1 | FirstWeekAfterJan1 | First full week following the first day of the first month |
| 2 | FirstWeekWith4Days | First week containing at least four days |