 <a id="inventoryjava"></a>
        <p class="title">
          <b>Example 8.1 Inventory.java</b>
        </p>
        <div class="example-contents">
          <p>
      All Inventory data is encapsulated in an instance of the following
      class. Note that because this class is not serializable, we need a
      custom tuple binding in order to place it on a <code class="classname">DatabaseEntry</code>
      object. Because the <code class="classname">TupleInput</code> and
      <code class="classname">Tu