Formatter out() method in Java with Examples

Last Updated : 01 Apr, 2019

The out() method is a built-in method of the java.util.Formatter which returns the destination for the output by the formatter. Syntax:

public Appendable out()

Parameters: The function accepts no parameter. Return Value: The function returns the destination for the output. Exceptions: The function throws FormatterClosedException if the formatter has been closed before the function call. Below is the implementation of the above function: Program 1:

Java

// Java program to implement
// the above function

import java.util.Formatter;
import java.util.Locale;

public class Main {

    public static void main(String[] args)
    {

        // Get the string Buffer
        StringBuffer buffer
            = new StringBuffer();

        // Object creation
        Formatter frmt
            = new Formatter(buffer,
                            Locale.CANADA);

        // Format a new string
        String name = "My name is Gopal Dave";
        frmt.format("What is your name? \n%s !",
                    name);

        // Print the Formatted string
        System.out.println(frmt);

        // Prints the destination of the output
        System.out.println("\nDestination: "
                           + frmt.out());
    }
}

Output:

What is your name? 
My name is Gopal Dave !

Destination: What is your name? 
My name is Gopal Dave !

Program 2:

Java

// Java program to implement
// the above function

import java.util.Formatter;
import java.util.Locale;

public class Main {

    public static void main(String[] args)
    {
        try {

            // Get the string Buffer
            StringBuffer buffer
                = new StringBuffer();

            // Object creation
            Formatter frmt
                = new Formatter(buffer,
                                Locale.CANADA);

            // Format a new string
            String name = "My name is Gopal Dave";
            frmt.format("What is your name? \n%s !",
                        name);

            // Print the Formatted string
            System.out.println(frmt);

            // Formatter closed
            frmt.close();

            // Prints the destination of the output
            System.out.println("\nDestination: "
                               + frmt.out());
        }
        catch (Exception e) {
            System.out.println("Exception is: "
                               + e);
        }
    }
}

Output:

What is your name? 
My name is Gopal Dave !
Exception is: java.util.FormatterClosedException

Reference: https://docs.oracle.com/javase/10/docs/api/java/util/Formatter.html#out()

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