public MonthDay withDayOfMonth(int dayOfMonth)

// Java program to demonstrate
// MonthDay.withDayOfMonth() method
  
import java.time.*;
import java.time.temporal.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a MonthDay object
        MonthDay monthday
            = MonthDay.of(8, 28);
  
        // print instance
        System.out.println("MonthDay before"
                           + " applying method: "
                           + monthday);
  
        // apply withDayOfMonth method
        // of MonthDay class
        MonthDay updatedlocal
            = monthday.withDayOfMonth(21);
  
        // print instance
        System.out.println("MonthDay after"
                           + " applying method: "
                           + updatedlocal);
    }
}

MonthDay before applying method: --08-28
MonthDay after applying method: --08-21

// Java program to demonstrate
// MonthDay.withDayOfMonth() method
  
import java.time.*;
import java.time.temporal.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a MonthDay object
        MonthDay monthday
            = MonthDay.of(10, 31);
  
        // print instance
        System.out.println("MonthDay before"
                           + " applying method: "
                           + monthday);
  
        // apply withDayOfMonth method
        // of MonthDay class
        MonthDay updatedlocal
            = monthday.withDayOfMonth(12);
  
        // print instance
        System.out.println("MonthDay after"
                           + " applying method: "
                           + updatedlocal);
    }
}

MonthDay before applying method: --10-31
MonthDay after applying method: --10-12