Test Index

Java IO Serialization

Question : 15 of 17

Marks: +1, -0

Given:

import java.io.*;
class Keyboard { }
public class Computer implements Serializable {
  private Keyboard k = new Keyboard();
  public static void main(String[] args) {
   Computer c = new Computer();
   c.storeIt(c);
  }
  void storeIt(Computer c) {
   try {
    ObjectOutputStream os = new ObjectOutputStream(
    new FileOutputStream("myFile"));
    os.writeObject(c);
    os.close();
    System.out.println("done");
   } catch (Exception x) {System.out.println("exc"); }
  }
}

What is the result? (Choose all that apply.)

exc
done
Compilation fails.
Exactly one object is serialized.
Exactly two objects are serialized.

Go to Question:

Prev Question

Next Question