软件包 javax.servlet 的分层结构

软件包分层结构：

所有软件包

类分层结构

• java.lang.Object
  • javax.servlet.AsyncEvent
  • java.util.EventObject (implements java.io.Serializable)
    • javax.servlet.ServletContextEvent
      • javax.servlet.ServletContextAttributeEvent
    • javax.servlet.ServletRequestEvent
      • javax.servlet.ServletRequestAttributeEvent
  • javax.servlet.GenericServlet (implements java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig)
  • javax.servlet.HttpConstraintElement
    • javax.servlet.HttpMethodConstraintElement
    • javax.servlet.ServletSecurityElement
  • java.io.InputStream (implements java.io.Closeable)
    • javax.servlet.ServletInputStream
  • javax.servlet.MultipartConfigElement
  • java.io.OutputStream (implements java.io.Closeable, java.io.Flushable)
    • javax.servlet.ServletOutputStream
  • javax.servlet.ServletRequestWrapper (implements javax.servlet.ServletRequest)
  • javax.servlet.ServletResponseWrapper (implements javax.servlet.ServletResponse)
  • java.lang.Throwable (implements java.io.Serializable)
    • java.lang.Exception
      • javax.servlet.ServletException
        • javax.servlet.UnavailableException

接口分层结构

• javax.servlet.AsyncContext
• java.util.EventListener
  • javax.servlet.AsyncListener
  • javax.servlet.ServletContextAttributeListener
  • javax.servlet.ServletContextListener
  • javax.servlet.ServletRequestAttributeListener
  • javax.servlet.ServletRequestListener
• javax.servlet.Filter
• javax.servlet.FilterChain
• javax.servlet.FilterConfig
• javax.servlet.Registration
  • javax.servlet.FilterRegistration
    • javax.servlet.FilterRegistration.Dynamic (并 extends javax.servlet.Registration.Dynamic)
  • javax.servlet.Registration.Dynamic
    • javax.servlet.FilterRegistration.Dynamic (并 extends javax.servlet.FilterRegistration)
    • javax.servlet.ServletRegistration.Dynamic (并 extends javax.servlet.ServletRegistration)
  • javax.servlet.ServletRegistration
    • javax.servlet.ServletRegistration.Dynamic (并 extends javax.servlet.Registration.Dynamic)
• javax.servlet.RequestDispatcher
• javax.servlet.Servlet
• javax.servlet.ServletConfig
• javax.servlet.ServletContainerInitializer
• javax.servlet.ServletContext
• javax.servlet.ServletRequest
• javax.servlet.ServletResponse
• javax.servlet.SessionCookieConfig
• javax.servlet.SingleThreadModel

枚举分层结构

• java.lang.Object
  • java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    • javax.servlet.SessionTrackingMode
    • javax.servlet.DispatcherType