TemporalAdjusters firstDayOfNextYear() method in Java with Examples

The firstDayOfNextYear() method of a TemporalAdjusters class is used to return the “first day of next year” TemporalAdjuster object, which returns a new Date object set to the first day of the next year.

Syntax:

public static TemporalAdjuster firstDayOfNextYear()

Parameters: This method accepts nothing.

Return value: This method returns the first day of next year adjuster, not null.

Below programs illustrate the TemporalAdjusters.firstDayOfNextYear() method:
Program 1:



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// Java program to demonstrate
// TemporalAdjusters.firstDayOfNextYear()
  
import java.time.LocalDate;
import java.time.temporal.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // get TemporalAdjuster with first day
        // of next year adjuster
        TemporalAdjuster temporalAdjuster
            = TemporalAdjusters.firstDayOfNextYear();
  
        // using adjuster for local date-time
        LocalDate localDate
            = LocalDate.of(2020, 05, 11);
        LocalDate firstDayOfNextYear
            = localDate.with(temporalAdjuster);
  
        // print
        System.out.println("First day of next "
                           + "year for localdate "
                           + localDate +": "
                           + firstDayOfNextYear);
    }
}

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Output:

First day of next year for localdate 2020-05-11: 2021-01-01

Program 2:

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// Java program to demonstrate
// TemporalAdjusters.firstDayOfNextYear() method
  
import java.time.LocalDate;
import java.time.temporal.TemporalAdjuster;
import java.time.temporal.TemporalAdjusters;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // get TemporalAdjuster with first day
        // of next year adjuster
        TemporalAdjuster temporalAdjuster
            = TemporalAdjusters
                  .firstDayOfNextYear();
  
        // using adjuster for local date-time
        LocalDate localDate
            = LocalDate.of(2010, 12, 29);
        LocalDate firstDayOfNextYear
            = localDate.with(temporalAdjuster);
  
        // print
        System.out.println("First day of next "
                           + "year for localdate :"
                           + localDate +": "
                           + firstDayOfNextYear);
    }
}

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Output:

First day of next year for localdate :2010-12-29: 2011-01-01

References: https://docs.oracle.com/javase/10/docs/api/java/time/format/TemporalAdjusters.html

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