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Java CharArrayWriter writeTo() Method with Example

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

CharArrayWriter Class writeTo() method

  • writeTo() method is available in java.io package.
  • writeTo() method is used to write the buffer data to the given Writer stream.
  • writeTo() 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.
  • writeTo() method may throw an exception at the time of writing buffer data.
    IOException: This exception may throw while getting any input/output error.

Syntax:

    public void writeTo(Writer w);

Parameter(s):

  • Writer w – represents the stream is written to.

Return value:

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

Example:

// Java program to demonstrate the example 
// of void writeTo(Writer w) method of CharArrayWriter

import java.io.*;

public class WriteToOfCAW {
 public static void main(String[] args) {
  CharArrayWriter caw_src = null;
  CharArrayWriter caw_dest = null;
  String s = "Java Programming";

  try {
   // Instantiates CharArrayWriter
   caw_src = new CharArrayWriter();
   caw_dest = new CharArrayWriter();

   // By using write() method is to
   // write the string to the stream caw
   caw_src.write(s);

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

   System.out.println();

   // By using writeTo() method is to
   // write the caw_src to the caw_dest
   caw_src.writeTo(caw_dest);

   // By using toString() method is 
   // to represent the caw_dest as a string
   System.out.print("caw_dest: " + caw_dest.toString());
  } catch (Exception ex) {
   System.out.println(ex.toString());
  } finally {
   // Free all resources linked with this
   // stream
   if (caw_src != null)
    caw_src.close();
  }
 }
}

Output

caw_src: Java Programming
caw_dest: Java Programming






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