r.</p>
</section>
<section class="help-section" id="tree">
<h3>Tree (Class Hierarchy)</h3>
<p>There is a <a href="overview-tree.html">Class Hierarchy</a> page for all packages, plus a hierarchy for each package. Each hierarchy page contains a list of classes and a list of interfaces. Classes are organized by inheritance structure starting with <code>java.lang.Object</code>. Interfaces do not inherit from <code>java.lang.Object</code>.</p>
<ul class="help-section-list">
<li>When viewing the Overview page, cl