Month length() method in Java

The length() method is a built-in method of the Month ENUM which is used to get the number of days in this month instance. The number of days in a month can be 28, 30 or 31. Number of days in February in a leap year is 29. This method accepts a boolean flag variable which indicates whether this Year is a leap year or not. Syntax:

public int length(boolean leapYear)

Parameters: This method accepts a single parameter leapYear, which indicates whether this year is a leapYear or not. Return Value: This method returns the length of this month in number of days present in it. Below programs illustrate the above method: Program 1: Java

import java.time.*;
import java.time.Month;
import java.time.temporal.ChronoField;

class monthEnum {
    public static void main(String[] args)
    {
        // Create a month instance
        Month month = Month.MAY;

        // Print the length of this Month
        System.out.println(month.length(false));
    }
}

Program 2: Java

import java.time.*;
import java.time.Month;
import java.time.temporal.ChronoField;

class monthEnum {
    public static void main(String[] args)
    {
        // Create a month instance
        Month month = Month.FEBRUARY;

        // Print the length of this Month
        System.out.println(month.length(true));
    }
}

Reference: https://docs.oracle.com/javase/8/docs/api/java/time/Month.html#length-boolean-