Year format() method in Java with Examples

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:

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// 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));
    }
}

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Output:

1997
97

Program 2:

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// 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));
    }
}

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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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