Java.io.ObjectOutputStream.writeChars() Method

Description

The java.io.ObjectOutputStream.writeChars(String str) method writes a String as a sequence of chars.

Declaration

Following is the declaration for java.io.ObjectOutputStream.writeChars() method

public void writeChars(String str)

Parameters

• str -- the String of chars to be written

Return Value

This method does not return a value.

Exception

• IOException -- if I/O errors occur while writing to the underlying stream

Example

The following example shows the usage of java.io.ObjectOutputStream.writeChars() method.

package com.tutorialspoint;

import java.io.*;

public class ObjectOutputStreamDemo {

   public static void main(String[] args) {

      String s = "Hello";
      try {

         // create a new file with an ObjectOutputStream
         FileOutputStream out = new FileOutputStream("test.txt");
         ObjectOutputStream oout = new ObjectOutputStream(out);

         // write something in the file
         oout.writeChars(s);
         oout.writeChars("World");

         // close the stream
         oout.close();

         // create an ObjectInputStream for the file we created before
         ObjectInputStream ois =
                 new ObjectInputStream(new FileInputStream("test.txt"));

         // read and print what we wrote before
         for (int i = 0; i < 10; i++) {
            System.out.print("" + ois.readChar());
         }



      } catch (Exception ex) {
         ex.printStackTrace();
      }

   }
}

Let us compile and run the above program, this will produce the following result:

HelloWorld