Ø Please note that init(ServletConfig config) is defined in Servlet Interface and it is the actual life cycle method.
Ø Abstract Classes Genericservlet has only init()
A convenience method which can be overridden so that there's no need to call super.init(config)
Ø HttpServlet service method implementation is nothing but to find http method type of request like get , post and call appropriate doGet,doPost,do*….. methods
Ø Never override HttpServlet service method
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