Какой результат выполнения программы:

import java.io.ByteArrayOutputStream; 
import java.io.ObjectOutputStream; 
import java.io.Serializable; 
 
public class NewClass { 
    public static void main(String[] args) throws Exception { 
        ByteArrayOutputStream bOut = new ByteArrayOutputStream(); 
        ObjectOutputStream oOut = new ObjectOutputStream(bOut); 
        Whole object = new Whole(); 
        oOut.writeObject(object); 
    } 
} 
 
class Whole implements Serializable { 
    public void writeObject(ObjectOutputStream out) { 
        System.out.println("Whole.writeObject()"); 
    } 
}