ServletContextListener

ServletContextListener receives notifications about the changes to the ServletContext.

public interface ServletContextListener extends EventListener {

    public void contextInitialized(ServletContextEvent sce);

    public void contextDestroyed(ServletContextEvent sce);

}

Method	Description
void contextInitialized(ServletContextEvent e)	Method is invoked when the Application started.
void contextDestroyed(ServletContextEvent e)	Method is invoked when the Application destroyed.

There are 2 ways to add ServletContextListener to the Application.

1. Using Deployement Descriptor
2. Using WebListener Annotation

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