lass does not implement any recognized callback interfaces, the
         associated collection of registered interfaces for the class will be empty.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/NullPointerException.html?is-external=true" title="class or interface in java.lang">NullPointerException</a></code> - in case any of the callback classes is <code>null</code>.</dd>
</dl>
</li>
</ul>
<a name="register-java.lang.Object-">
<