Name: nt126004 Date: 08/10/2001


java version "1.4.0-beta"
Java(TM) 2 RuntimeEnvironment, Standard Edition (build 1.4.0-beta-b65)
Java HotSpot(TM) Client VM (build 1.4.0-beta-b65, mixed mode)

Serialize an instance of the GregorianCalendar using SDK 1.4 beta and
deserialize in SDK 1.2.2 as shown in the Java code below. An
java.lang.ClassNotFoundException: sun.util.calendar.ZoneInfo is thrown.

import java.io.*;
import java.util.*;

public class GregorianTest{

  static String fName="tmp";

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

    writeObject();
    readObject();

  }

  static void writeObject()
    throws Exception{

    FileOutputStream fos = new FileOutputStream(fName);
    ObjectOutputStream out = new ObjectOutputStream(fos);

    TimeZone tz = TimeZone.getTimeZone("GMT");
    TimeZone.setDefault(tz);

    Locale.setDefault(Locale.ENGLISH);

    GregorianCalendar gCal= new GregorianCalendar(tz, Locale.ENGLISH);
    out.writeObject(gCal);

    out.flush();
    out.close();

  }

  static void readObject()
    throws Exception{
    FileInputStream fis = new FileInputStream(fName);
    ObjectInputStream in = new ObjectInputStream(fis);


    TimeZone.setDefault( TimeZone.getTimeZone("GMT") );

    GregorianCalendar gCal= (GregorianCalendar)in.readObject();
    System.out.println(" gCal="+gCal);

    in.close();

  }
}
(Review ID: 129824)
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