 class="sect2" lang="en" xml:lang="en">
        <div class="titlepage">
          <div>
            <div>
              <h3 class="title"><a id="payloaddata"></a>PayloadData.java</h3>
            </div>
          </div>
        </div>
        <p>
    Before we show the implementation of the database writer thread, we
    need to show the class that we will be placing into the database. This
    class is fairly minimal. It simply allows you to store and retrieve an
    <code class="literal">int</code>, a <co