Anna Hazare

SERVLETS Q&A oral sex: What is a Servlet? issue: deep brown Servlets atomic number 18 master of ceremonies lieu components that go aways a powerful mechanism for development horde side of web application. Earlier CGI was developed to provide server side capabilities to the web applications. Although CGI played a study affair in the explosion of the Internet, its performance, scalability and reusability issues make it less than optimum solutions. Java Servlets changes all that. Built from ground up use Suns publish once run anywhere technology coffee hit servlets provide excellent framework for server side processing. movement: What be the types of Servlet? Answer: There are two types of servlets, GenericServlet and HttpServlet. GenericServlet defines the generic wine or protocol independent servlet. HttpServlet is subclass of GenericServlet and provides some http particular(prenominal) functionality linke doGet and doPost methods.  Question: What are th e differences between HttpServlet and Generic Servlets? Answer: HttpServlet Provides an analysis class to be subclassed to create an hypertext transfer protocol servlet suitable for a electronic network site.

A subclass of HttpServlet must invert at to the lowest detail one method, usually one of these: * doGet, if the servlet supports HTTP GET prays * doPost, for HTTP POST requests * doPut, for HTTP localise requests * doDelete, for HTTP DELETE requests * init and destroy, to fare resources that are held for the life of the servlet * getServletInfo, which the servlet uses to pro vide education about itself Theres or so ! no reason to reverse the service method. service handles banner HTTP requests by dispatching them to the handler methods for each HTTP request type (the doXXX methods listed above). Likewise, theres almost no reason to override the doOptions and doTrace methods. GenericServlet defines a generic, protocol-independent servlet. To write an HTTP servlet for use on the Web, extend HttpServlet instead. GenericServlet implements the Servlet and ServletConfig...If you privation to get a full essay, order it on our website: BestEssayCheap.com

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