javax.servlet.annotation

## Annotation Type WebListener

-     @Target(value=TYPE)
      @Retention(value=RUNTIME)
      @Documented
      public @interface WebListener

  The annotation used to declare a listener for various types of event, in a given web application context.
  The class annotated MUST implement one, (or more), of the following interfaces: `HttpSessionAttributeListener`, `HttpSessionListener`, `ServletContextAttributeListener`, `ServletContextListener`, `ServletRequestAttributeListener`, `ServletRequestListener` or `HttpSessionIdListener`
  E.g. `@WebListener`
  `public TestListener implements ServletContextListener {`
  Since:
    Servlet 3.0

- - ### Optional Element Summary

    Optional Elements
    Modifier and Type | Optional Element and Description
    --- | ---
    `java.lang.String` | `value`

- - ### Element Detail

    - #### value

          public abstract java.lang.String value

      Returns:
        description of the listener, if present
      Default:
        ""

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