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Servlet API

The javax.servlet and javax.servlet.http packages represent interfaces and classes for servlet api.

The javax.servlet package contains many interfaces and classes that are used by the servlet or web container. These are not specific to any protocol.

The javax.servlet.http package contains interfaces and classes that are responsible for http requests only.

Let's see what are the interfaces of javax.servlet package.

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

Classes in javax.servlet package

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

  1. GenericServlet
  2. ServletInputStream
  3. ServletOutputStream
  4. ServletRequestWrapper
  5. ServletResponseWrapper
  6. ServletRequestEvent
  7. ServletContextEvent
  8. ServletRequestAttributeEvent
  9. ServletContextAttributeEvent
  10. ServletException
  11. UnavailableException

Interfaces in javax.servlet.http package

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

  1. HttpServletRequest
  2. HttpServletResponse
  3. HttpSession
  4. HttpSessionListener
  5. HttpSessionAttributeListener
  6. HttpSessionBindingListener
  7. HttpSessionActivationListener
  8. HttpSessionContext (deprecated now)

Classes in javax.servlet.http package

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

  1. HttpServlet
  2. Cookie
  3. HttpServletRequestWrapper
  4. HttpServletResponseWrapper
  5. HttpSessionEvent
  6. HttpSessionBindingEvent
  7. HttpUtils (deprecated now)
Next TopicServlet Interface




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