Answer Posted / sonia

GenericServlet belongs to javax.servlet package
GenericServlet is an abstract class which extends Object and
implements Servlet, ServletConfig and java.io.Serializable
interfaces.
The direct subclass to GenericServlet is HttpServlet.It is a
protocol-independent servlet.
To write a GenericServlet you need abstract service() to be
overridden.


HttpServlet:
HttpServlet belongs to javax.servlet.http package
This is an abstract class which extends GenericServlet and
implements java.io.Serializable
A subclass of HttpServlet must override at least one method
of doGet(), doPost(),doPut(), doDelete(), init(), destroy(),
getServletInfo()

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