he associated value for the specified name is
 <code>JsonValue.NULL</code>.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>name</code> - name whose associated value is checked</dd>
<dt>Returns:</dt>
<dd>return true if the associated value is <code>JsonValue.NULL</code>,
 otherwise false</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerExc