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Java CharArrayWriter toString() Method with Example

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

CharArrayWriter Class toString() method

  • toString() method is available in java.io package.
  • toString() method is used to represent the buffer data as a string from this CharArrayWriter stream.
  • toString() 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.
  • toString() method does not throw an exception at the time of string representation of the stream.

Syntax:

    public String toString();

Parameter(s):

  • It does not accept any parameter.

Return value:

The return type of the method is String, it returns the existing buffer data as a string.

Example:

// Java program to demonstrate the example 
// of String toString() method of CharArrayWriter

import java.io.*;

public class ToStringOfCAW {
 public static void main(String[] args) {
  CharArrayWriter caw = null;
  char[] c = {
   'j',
   'a',
   'v',
   'a'
  };

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

   // By using write() method is to
   // write the character array (c)
   // to the stream caw
   caw.write(c);

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





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