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Year format() method in Java with Examples
  • Last Updated : 27 Nov, 2018

The format() method of Year class in Java is used to format the current Year object according to the DateTimeFormatter passed to it as a parameter.

Syntax:

public String format(DateTimeFormatter formatter)

Parameter: This method accepts a single parameter formatter. It specifies a DateTimeFormatter according to which the current Year object will be formatted. It can not be NULL.

Return Value: It returns a string which is the formatted Year value.

Exception: This method throws a DateTimeException if any error occurs during formatting of the year object.



Below programs illustrate the format() method of Year in Java:
Program 1:




// Program to illustrate the format() method
  
import java.util.*;
import java.time.*;
import java.time.format.DateTimeFormatter;
  
public class GfG {
    public static void main(String[] args)
    {
        // Creates a Year object
        Year firstYear = Year.of(1997);
  
        // Print the current year in
        // default format
        System.out.println(firstYear);
  
        // Create a DateTimeFormatter
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yy");
  
        // Print the current year after formatting
        System.out.println(firstYear.format(formatter));
    }
}
Output:
1997
97

Program 2:




// Program to illustrate the format() method
  
import java.util.*;
import java.time.*;
import java.time.format.DateTimeFormatter;
  
public class GfG {
    public static void main(String[] args)
    {
        // Creates a Year object
        Year firstYear = Year.of(2018);
  
        // Print the current year in
        // default format
        System.out.println(firstYear);
  
        // Create a DateTimeFormatter
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yy");
  
        // Print the current year after formatting
        System.out.println(firstYear.format(formatter));
    }
}
Output:
2018
18

Reference:
https://docs.oracle.com/javase/8/docs/api/java/time/Year.html#format-java.time.format.DateTimeFormatter-

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