Describe Servlet Class Hierarchy.

Class java.lang.Object <-Interface javax.servlet.Servlet
| |
V |
Class javax.servlet.GenericServlet <-Interface javax.servlet.ServletConfig
| |
V |
Class javax.servlet.HttpServlet | |
<-Interface javax.io.Serializable

FIG:The Servlet Class Hierarchy

Questions by sujatham   answers by sujatham

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rajesh

  • Sep 26th, 2007
 

  •                   javax.servlet.servlet     ->interface
  •                            | implements
  •                    javax.servlet. Genericservlet   ->class
  •                             | extends
  •                      javax.servlet.Httpservlet   ->class
  •                             |  extends
  •                          your classname
                              your class indirectly implements servlet interface.so the object of your class is called servlet.

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fcasttro

  • Nov 21st, 2007
 

                    javax.servlet.servlet              ->Interface

                           | implements

                 javax.servlet. Genericservlet   -> Abstract Class

                            | extends

                     javax.servlet.Httpservlet   -> Abstract Class

                            |  extends

                         Our Servlet Class


Generic servlet is not only implementing  javax.servlet.servlet. Also Implementing ServletConfig and Serializable.

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