Java IO Tutorial - Java ObjectInputStream .readObjectOverride ()

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Syntax

ObjectInputStream.readObjectOverride() has the following syntax.

protected Object readObjectOverride()    throws IOException ,     ClassNotFoundException

Example

In the following code shows how to use ObjectInputStream.readObjectOverride() method.

/*w  ww.j a v a2 s  . c o  m*/
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Main extends ObjectInputStream {

  public Main(InputStream in) throws IOException {
    super(in);
  }

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

    String s = "Hello World from java2s.com";

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    oout.writeObject(s);
    oout.flush();
    oout.close();
    Main ois = new Main(new FileInputStream("test.txt"));

    System.out.println((String) ois.readObjectOverride());
    ois.close();
  }
}

The code above generates the following result.

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