javax.servlet

接口  AsyncContext AsyncListener Filter FilterChain FilterConfig FilterRegistration FilterRegistration.Dynamic Registration Registration.Dynamic RequestDispatcher Servlet ServletConfig ServletContainerInitializer ServletContext ServletContextAttributeListener ServletContextListener ServletRegistration ServletRegistration.Dynamic ServletRequest ServletRequestAttributeListener ServletRequestListener ServletResponse SessionCookieConfig SingleThreadModel

类  AsyncEvent GenericServlet HttpConstraintElement HttpMethodConstraintElement MultipartConfigElement ServletContextAttributeEvent ServletContextEvent ServletInputStream ServletOutputStream ServletRequestAttributeEvent ServletRequestEvent ServletRequestWrapper ServletResponseWrapper ServletSecurityElement

枚举  DispatcherType SessionTrackingMode

异常  ServletException UnavailableException