Servlet

Servlet technology is used to create web application (resides at server side and generates dynamic web page).

javax.servlet package contains many classes and interfaces taht are used by servlet or web container.

                                    but javax.servlet.http package contains classes and interfaces that are used only for http request.

Interfaces in javax.servlet package

There are many interfaces in javax.servlet package. They are as follows:

1. Servlet
2. ServletRequest
3. ServletResponse
4. RequestDispatcher
5. ServletConfig
6. ServletContext
7. SingleThreadModel
8. Filter
9. FilterConfig
10. FilterChain
11. ServletRequestListener
12. ServletRequestAttributeListener
13. ServletContextListener
14. ServletContextAttributeListener