    </p>
      <p>
        To implement this example, we need three classes:    
    </p>
      <div class="itemizedlist">
        <ul type="disc">
          <li>
            <p>
                <code class="literal">TxnGuide.java</code>
            </p>
            <p>
                This is the main class for the application. It performs
                environment and database management, spawns threads, and
                creates the data that is placed in the database.  See <a class="xref" href="txne