import java.io.*;

​

public class Main {

  public static void main(String[] args) {

    Person person = new Person();

    person.fname = "John";

    person.lname = "Doe";

    person.age = 24;

    person.accessCode = 5044;

    // Serialize the object

    ByteArrayOutputStream output = new ByteArrayOutputStream();

    try {

      ObjectOutputStream objOut = new ObjectOutputStream(output);

      objOut.writeObject(person);

    } catch (IOException e) {}

    // Deserialize the object

    Person person2 = new Person();

    try {

    ObjectInputStream objIn = new ObjectInputStream(new ByteArrayInputStream(output.toByteArray()));  

    person2 = (Person)objIn.readObject();  

    } catch(Exception e) {}

    // Print the deseralized object

    System.out.println("First name: " + person2.fname);

    System.out.println("Last name: " + person2.lname);

    System.out.println("Age: " + person2.age);

    System.out.println("Access code: " + person2.accessCode);

  }

}

​

class Person implements Serializable {

  String fname = "John";

  String lname = "Doe";

  int age = 24;

  transient int accessCode = 0;

}

​