Servlet RequestDispatcher And SendRedirect

There are two methods in servlet to dispatch user request to other web resources such as jsp, html or another servlet in the same or different web applications. They are RequestDispatcher interface and HttpServletResponse’s sendRedirect() method. RequestDispatcher is used to dispatch request to the resource run in same web applications, and sendRedirect() can be used to redirect client …

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Servlet Overview

Website consists of static resources and dynamic resources. Static resources include html page, javascript, css, images etc. And dynamic resources includes CGI, Servlet, JSP etc. In this article we will give you a general explanation about Web Applicaion, J2EE Servlet and CGI. We will also compare them to point out the advantage and disadvantage of using …

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Servlet Life Cycle

Servlet is managed by servlet container, the container manages the entire lifecycle of it. From below picture, you can see how the container manage it’s lifetime and how the container handle multiple http request send to it.