ObjectInputStream close() method in Java with examples

The close() method of the ObjectInputStream class in Java closes the input stream.

Syntax:

public void close()

Parameters: This method does not accept any parameter.

Return Value: This method does not returns anything.

Below program illustrate the above method:

Program 1:

// Java program to illustrate
// the above method

import java.io.*;

public class GFG {

    public static void main(String[] args) throws Exception
    {

        try {
            // Creates a new file
            // with an ObjectOutputStream
            FileOutputStream out
                = new FileOutputStream("gopal.txt");
            ObjectOutputStream out1
                = new ObjectOutputStream(out);

            // write in the file
            out1.writeUTF("Geeks for Geeks");

            // FLushes the stream
            out1.flush();

            // Create an ObjectInputStream
            // for the file we created before
            ObjectInputStream example
                = new ObjectInputStream(
                    new FileInputStream("gopal.txt"));

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

            // closes the stream
            System.out.println("\nClosing Stream...");

            example.close();

            // Stream closed
            System.out.println("Stream Closed.");
        }
        catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

Output:

Reference: https://docs.oracle.com/javase/10/docs/api/java/io/ObjectInputStream.html#close()