Anna Hazare

SERVLETS Q&A oral trip: What is a Servlet? Answer: coffee berry Servlets atomic number 18 server stead comp matchlessnts that go aways a powerful instrument for development server nerve of web application. Earlier CGI was essential to turn in server side capabilities to the web applications. Although CGI played a study role in the explosion of the Internet, its performance, scalability and reusability issues make it less(prenominal) than optimum solutions. Java Servlets changes tout ensemble that. Built from ground up use Suns write formerly run anywhere engineering coffee bean servlets provide excellent framework for server side processing. Question: What ar the types of Servlet? Answer: There argon two types of servlets, GenericServlet and HttpServlet. GenericServlet defines the generic or protocol independent servlet. HttpServlet is subclass of GenericServlet and provides whatever http particular(prenominal) functionality linke doGet and doPost methods.  Question: What are the differences between HttpServlet and Generic Servlets? Answer: HttpServlet Provides an compendium class to be subclassed to take an hypertext transfer protocol servlet suitable for a Web site.

A subclass of HttpServlet must override at to the lowest degree one method, usually one of these: * doGet, if the servlet supports HTTP master prays * doPost, for HTTP POST passs * doPut, for HTTP PUT requests * doDelete, for HTTP delete requests * init and destroy, to fare resources that are held for the bearing of the servlet * give wayServletInfo, which the servlet uses to provide information closely itself Theres or so no reason to override the armed 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 penury to get a full essay, couch it on our website: Ordercustompaper.com

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