The following program should produce the same result, but doesn't.  I have
verified that this program works ok on a standard Sun JVM as well as on the
off-the-shelf Harmony JVM.

Feel free to contact me if you have any questions.

Charles Lamb
charles.lamb  @@@@ oracle.com

import java.util.zip.Adler32;
import java.util.zip.Checksum;

public class Blort {

    public static void main(String argv[]) {
    Checksum cksum = new Adler32();
    byte[] ba = new byte[] { 1, 2, 3, 4 };
    cksum.update(ba, 0, 2);
    cksum.update(ba, 2, 2);
    System.out.println("cksum 1: " + cksum.getValue());

    cksum = new Adler32();
    cksum.update(ba, 0, 4);
    System.out.println("cksum 2: " + cksum.getValue());
    }
}