The lengthOfYear() method of YearMonth class in Java is used to return the length of year of this year-month object’s value in number of days. The value of the length of a year is either 365 or 366 based on whether the Year is leap or not.
Syntax:
public int lengthOfYear()
Parameter: This method does not accepts any parameter.
Return Value: It returns an integer value denoting the length of year in number of days.
Below programs illustrate the lengthOfYear() method of YearMonth in Java:
Program 1:
// Program to illustrate the lengthOfYear() method  import java.util.*;import java.time.*;  public class GfG {    public static void main(String[] args)    {        // Create YearMonth object        YearMonth yearMonth = YearMonth.of(2016, 2);          // Print the length of year in Number        // of days, 366 in this case as 2016 is        // a Leap Year        System.out.println(yearMonth.lengthOfYear());    }} |
Output:
366
Program 2:
// Program to illustrate the lengthOfYear() method  import java.util.*;import java.time.*;  public class GfG {    public static void main(String[] args)    {        // Create YearMonth object        YearMonth yearMonth = YearMonth.of(1990, 2);          // Print the length of year in Number        // of days, 365 in this case as 1990 is        // not a Leap Year        System.out.println(yearMonth.lengthOfYear());    }} |
Output:
365
Reference: https://docs.oracle.com/javase/8/docs/api/java/time/YearMonth.html#lengthOfYear–
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