TemporalAdjusters lastDayOfMonth() method in Java with Examples

The lastDayOfMonth() method of a TemporalAdjusters class is used to return the “last day of the month” TemporalAdjuster object, which returns a new Date object set to the last day of the month.

Syntax:

public static TemporalAdjuster lastDayOfMonth()

Parameters: This method accepts nothing.

Return value: This method returns the last day of month adjuster, not null.

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

// Java program to demonstrate
// TemporalAdjusters.lastDayOfMonth()

import java.time.LocalDate;
import java.time.temporal.*;

public class GFG {
    public static void main(String[] args)
    {

        // get TemporalAdjuster with last day
        // of the month adjuster
        TemporalAdjuster temporalAdjuster
            = TemporalAdjusters.lastDayOfMonth();

        // using adjuster for local date-time
        LocalDate localDate
            = LocalDate.of(2020, 05, 11);
        LocalDate lastDayOfMonth
            = localDate.with(temporalAdjuster);

        // print
        System.out.println("last day of the "
                           + "month for localdate "
                           + localDate + ": "
                           + lastDayOfMonth);
    }
}

Output:

last day of the month for localdate 2020-05-11: 2020-05-31

Program 2:

// Java program to demonstrate
// TemporalAdjusters.lastDayOfMonth() method

import java.time.LocalDate;
import java.time.temporal.*;

public class GFG {
    public static void main(String[] args)
    {

        // get TemporalAdjuster with last day
        // of the month adjuster
        TemporalAdjuster temporalAdjuster
            = TemporalAdjusters
                  .lastDayOfMonth();

        // using adjuster for local date-time
        LocalDate localDate
            = LocalDate.of(2010, 12, 29);
        LocalDate lastDayOfMonth
            = localDate.with(temporalAdjuster);

        // print
        System.out.println("last day of the "
                           + "month for localdate "
                           + localDate + ": "
                           + lastDayOfMonth);
    }
}

Output:

last day of the month for localdate 2010-12-29: 2010-12-31

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