ntext</code></a>
 instance maintains a mapping of globally declared XML element and type definition names to 
 Jakarta XML Binding mapped classes. The unmarshal method checks if <a href="JAXBContext.html" title="class in jakarta.xml.bind"><code>JAXBContext</code></a> has a mapping
 from the root element's XML name and/or <code>@xsi:type</code> to a Jakarta XML Binding mapped class.  If it does, it umarshalls the
 XML data using the appropriate Jakarta XML Binding mapped class. Note that when the root elemen