ria queries
 only.   Applications that use this method for Jakarta 
 Persistence query language queries and native queries will 
 not be portable.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the Java type of the parameter</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - if invoked on a parame