til/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</a></pre>
<div class="block">Interface for receiving notification events about ServletContext attribute changes.

 <p>
 In order to receive these notification events, the implementation class must be either declared in the deployment
 descriptor of the web application, annotated with <a href="../../jakarta/servlet/annotation/WebListener.html" title="annotation in jakarta.servlet.annotation"><code>WebListener</code