t</span>&nbsp;<span class="return-type"><a href="JsonArrayBuilder.html" title="interface in jakarta.json">JsonArrayBuilder</a></span>&nbsp;<span class="element-name">setNull</span><wbr><span class="parameters">(int&nbsp;index)</span></div>
<div class="block">Replaces a value in the array with
 a <a href="JsonValue.html#NULL"><code>JsonValue.NULL</code></a> value at the specified position.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>index</code> - the position in the array</dd>
<dt>Returns:</dt>
