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Java CharArrayWriter flush() Method with Example

CharArrayWriter Class flush() method: Here, we are going to learn about the flush() method of CharArrayWriter Class with its syntax and example.
Submitted by Preeti Jain, on March 27, 2020

CharArrayWriter Class flush() method

  • flush() method is available in java.io package.
  • flush() method is used to flush this CharArrayWriter stream to the underlying stream.
  • flush() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
  • flush() method does not throw an exception at the time of flushing the stream.

Syntax:

    public void flush();

Parameter(s):

  • It does not accept any parameter.

Return value:

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

Example:

// Java program to demonstrate the example 
// of void flush() method of CharArrayWriter

import java.io.*;

public class FlushOfCAW {
 public static void main(String[] args) {
  CharSequence cs = "Java World!!!";
  CharArrayWriter caw = null;

  try {
   // Instantiates CharArrayWriter
   caw = new CharArrayWriter();

   // By using append() method is to
   // append cs to the caw 
   caw.append(cs);

   // By using flush() method is to
   // flush the stream
   caw.flush();

   // By using toString() method is 
   // to represent the caw as a string
   System.out.print("caw.toString(): " + caw.toString());
  } catch (Exception ex) {
   System.out.println(ex.toString());

  } finally {

   // Free all resources linked with this
   // stream
   if (caw != null)
    caw.close();
  }
 }
}

Output

caw.toString(): Java World!!!





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