Java.io.ObjectInputStream.close() Method

Description

The java.io.ObjectInputStream.close() method closes the input stream. Must be called to release any resources associated with the stream.

Declaration

Following is the declaration for java.io.ObjectInputStream.close() method

public void close()

Parameters

• NA

Return Value

This method does not return a value.

Exception

• IOException -- If an I/O error has occurred.

Example

The following example shows the usage of java.io.ObjectInputStream.close() method.

package com.tutorialspoint;

import java.io.*;

public class ObjectInputStreamDemo {

   public static void main(String[] args) {

      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.writeUTF("Hello World");
         oout.flush();

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

         // read from the stream
         for (int i = 0; i < ois.available();) {
            System.out.print("" + (char) ois.read());
         }

         // change line
         System.out.println();

         // close the stream
         System.out.println("Closing Stream...");
         ois.close();
         System.out.println("Stream Closed.");

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

   }
}

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

Hello World
Closing Stream...
Stream Closed.