tring)</code> conversion method with a null value. Since <code>char</code> does not support a <code>String</code>
 conversion, attempting to read a null value as a <code>char</code> must throw a <code>NullPointerException</code>.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>JMS 1.0</dd>
<dt><span class="simpleTagLabel">Version:</span></dt>
<dd>Jakarta Messaging 2.0</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../javax/jms/Session.html#createMapMessage--"><code>