The weekOfMonth() method of WeekFields class is used to return the field to access the week of month based on this WeekFields.
For example:
- if the 1st day of the month is a Monday, week one starts on the 1st and there is no week zero
- if the 2nd day of the month is a Monday, week one starts on the 2nd and the 1st is in week zero
- if the 4th day of the month is a Monday, week one starts on the 4th and the 1st to 3rd is in week zero
- if the 5th day of the month is a Monday, week two starts on the 5th and the 1st to 4th is in week one
This field can be used with any calendar system.
Syntax:
public TemporalField weekOfMonth()
Parameters: This method accepts nothing.
Return value: This method returns a field providing access to the week-based-year, not null.
Below programs illustrate the WeekFields.weekOfMonth() method:
Program 1:
// Java program to demonstrate// WeekFields.weekOfMonth() method  import java.time.DayOfWeek;import java.time.LocalDate;import java.time.temporal.TemporalField;import java.time.temporal.WeekFields;  public class GFG {    public static void main(String[] args)    {          // create WeekFields        WeekFields weekFields            = WeekFields.of(DayOfWeek.MONDAY, 1);          // apply weekOfMonth()        TemporalField weekOfMonth            = weekFields.weekOfMonth();          // create a LocalDate        LocalDate day            = LocalDate.of(2021, 12, 21);          // get week of month for localdate        int wom = day.get(weekOfMonth);          // print results        System.out.println("week of month for "                           + day + " :" + wom);    }} |
Output:
week of month for 2021-12-21 :4
Program 2:
// Java program to demonstrate// WeekFields.weekOfMonth() method  import java.time.DayOfWeek;import java.time.LocalDate;import java.time.temporal.TemporalField;import java.time.temporal.WeekFields;  public class GFG {    public static void main(String[] args)    {          // create WeekFields        WeekFields weekFields            = WeekFields.of(DayOfWeek.SUNDAY, 1);          // apply weekOfMonth()        TemporalField weekOfMonth            = weekFields.weekOfMonth();          // create a LocalDate        LocalDate day = LocalDate.of(2020, 01, 10);          // get week of month for localDate        int wom = day.get(weekOfMonth);          // print results        System.out.println("week of month for "                           + day + " :" + wom);    }} |
Output:
week of month for 2020-01-10 :2
References: https://docs.oracle.com/javase/10/docs/api/java/time/temporal/WeekFields.html#weekOfMonth()
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