 = 5; </pre>
        <p>
    Next, we implement our <code class="function">usage()</code> method. This
    application optionally accepts a single command line argument which is
    used to identify the environment home directory.
</p>
        <pre class="programlisting">    private static void usage() {
        System.out.println("TxnGuide [-h &lt;env directory&gt;]");
        System.exit(-1);
    } </pre>
        <p>
    Now we implement our <code class="function">main()</code> method. This method
    sim