YearMonth lengthOfMonth method() in Java

The lengthOfMonth() method of YearMonth class in Java is used to return the length of month of this year-month object’s value in number of days. The value of length of month is in the range of 1 to 31. This method also take cares of leap years.

Syntax:

public int lengthOfMonth()

Parameter: This method does not accepts any parameter.



Return Value: It returns an integer value denoting the length of month in number of days.

Below programs illustrate the lengthOfMonth() method of YearMonth in Java:

Program 1:

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// Program to illustrate the lengthOfMonth() 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 month in Number
        // of days, 29 in this case as 2016 is
        // a Leap Year
        System.out.println(yearMonth.lengthOfMonth());
    }
}

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Output:

29

Program 2:

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// Program to illustrate the lengthOfMonth() 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 month in Number
        // of days, 28 in this case as 1990 is
        // not a Leap Year
        System.out.println(yearMonth.lengthOfMonth());
    }
}

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Output:

28

Reference: https://docs.oracle.com/javase/8/docs/api/java/time/YearMonth.html#lengthOfMonth–



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