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Java Formatter flush() Method with Example

Formatter Class flush() method: Here, we are going to learn about the flush() method of Formatter Class with its syntax and example.
Submitted by Preeti Jain, on February 14, 2020

Formatter Class flush() method

  • flush() method is available in java.util package.
  • flush() method is used to flushes this formatter. To flush formatter writes any buffered output.
  • flush() method is a non-static method, it is accessible with the class object and if we try to access the method with the class name then we will get an error.
  • flush() method may throw an exception at the time of flushing formatter.
    FormatterClosedException: This exception may throw when this formatter close during call its close() method.

Syntax:

    public void flush();

Parameter(s):

  • It does not accept any parameter.

Return value:

The return type of this method is void, it returns nothing.

Example:

// Java program is to demonstrate the example of
// flush() method of Formatter

import java.util.*;

public class FlushOfFormatter {
    public static void main(String[] args) {
        // Instantiates a StringBuffer and Formmatter
        // object
        StringBuffer sb = new StringBuffer();
        Formatter formatt = new Formatter(sb, Locale.UK);

        // By using format() method is to format
        // a string
        formatt.format("Hi %s !", "IncludeHelp");

        // Display Formatted String
        System.out.println(formatt);

        // By using flush() method is to flush
        // the formatter and it does not return any value
        formatt.flush();
    }
}

Output

Hi IncludeHelp !






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