Servlet API

Servlet api is the set of interfaces and classes. They lies in javax.servlet and javax.servlet.http package

Interfaces in javax.servlet package

• Servlet
• ServletRequest
• ServletResponse
• ServletContext
• ServletConfig
• RequestDispatcher
• SingleThreadModel
• Filter
• FilterConfig
• FilterChain
• ServletContextListener
• ServletContextAttributeListener
• ServletRequestListener
• ServletRequestAttributeListener

Classes in javax.servlet package

• GenericServlet
• ServletInputStream
• ServletOutputStream
• ServletRequestWrapper
• ServletResponseWrapper
• ServletContextEvent
• ServletRequestEvent
• ServletRequestAttributeEvent
• ServletContextAttributeEvent
• ServletException

Interfaces in javax.servlet.http package

• HttpServletRequest
• HttpServletResponse
• HttpSession
• HttpSessionListener
• HttpSessionAttributeListener
• HttpSessionBindingListener
• HttpSessionActivationListener
• HttpSessionContext (deprecated now)

Classes in javax.servlet.http package

• HttpServlet
• Cookie
• HttpServletRequestWrapper
• HttpServletResponseWrapper
• HttpSessionEvent
• HttpSessionBindingEvent