on">JsonObjectBuilder</a>&nbsp;addNull&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;name)</pre>
<div class="block">Adds a name/<code>JsonValue#NULL</code> pair to the JSON object associated
 with this object builder where the value is <code>null</code>.
 If the object contains a mapping for the specified name, this method
 replaces the old value with <code>null</code>.</div>
<dl>