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## javax.servlet
Interface ServletContextListener

All Superinterfaces:
  java.util.EventListener

    public interface ServletContextListener

extends java.util.EventListener

Interface for receiving notification events about ServletContext lifecycle changes.

In order to receive these notification events, the implementation class must be either declared in the deployment descriptor of the web application, annotated with `WebListener`, or registered via one of the addListener methods defined on `ServletContext`.

Implementations of this interface are invoked at their `contextInitialized(javax.servlet.ServletContextEvent)` method in the order in which they have been declared, and at their `contextDestroyed(javax.servlet.ServletContextEvent)` method in reverse order.

Since:
  Servlet 2.3
See Also:
  `ServletContextEvent`

Method Summary
`void` | `contextDestroyed(ServletContextEvent sce)` Receives notification that the ServletContext is about to be shut down.
`void` | `contextInitialized(ServletContextEvent sce)` Receives notification that the web application initialization process is starting.

Method Detail

### contextInitialized

    void contextInitialized(ServletContextEvent sce)

  Receives notification that the web application initialization process is starting.

  All ServletContextListeners are notified of context initialization before any filters or servlets in the web application are initialized.

  Parameters:
    `sce` - the ServletContextEvent containing the ServletContext that is being initialized

### contextDestroyed

    void contextDestroyed(ServletContextEvent sce)

  Receives notification that the ServletContext is about to be shut down.

  All servlets and filters will have been destroyed before any ServletContextListeners are notified of context destruction.

  Parameters:
    `sce` - the ServletContextEvent containing the ServletContext that is being destroyed

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