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:
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 )); } } |
Output:
31
Program 2:
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 )); } } |
Output:
29
Reference: https://docs.oracle.com/javase/8/docs/api/java/time/Month.html#length-boolean-