 ID/IDREF constraints).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>subrootObj</code> - the obj to begin validation at</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the subtree rooted at <code>subrootObj</code> is valid, false
         otherwise</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../jakarta/xml/bind/JAXBException.html" title="class in jakarta.xml.bind">JAXBException</a></code> - if any unexpected problem occurs 