<web-app ...>
 ...
  <servlet>
   <servlet-name>ListeEmployes</servlet-name>
   <init-param>
     <param-name>mdp</param-name>
     <param-value>toto</param-value>
   </init-param>
   <init-param>
     <param-name>login</param-name>
     <param-value>toto</param-value>
   </init-param>
  </servlet>
</web-app>