What is the difference between response.redirect() and forward and requestdispatcher which is faster

Another key difference between forward and sendRedirect is that forward is marginally faster than the redirect. The sendRedirect is marginally slower than a forward since it requires two browser requests, not one. Third difference between forward and sendRedirect method is that in the case of forward original URL remains intact, while in the case of sendRedirect browser knows that it's making a new request, so the original URL changes.

No comments:. The main important difference between the forward and sendRedirect method is that in case of forward , redirect happens at server end and not visible to client, but in case of sendRedirect , redirection happens at client end and it's visible to client. The sendRedirect method is executed in the client side.

The request is transfer to other resource within same server. The request is transfer to other resource to different server.

SendRedirect will search the content between the servers. What is Session Tracking? Session Tracking is a way to maintain state data of an user. It is also known as session management in servlet. Http protocol is a stateless so we need to maintain state using session tracking techniques. Each time user requests to the server, server treats the request as the new request. What is Servlet life cycle? A servlet life cycle can be defined as the entire process from its creation till the destruction.

The servlet is initialized by calling the init method. The servlet calls service method to process a client's request. We can use request dispatcher only when the other servlet to which the request is being forwarded lies in the same application. On the other hand Send Redirect can be used in both the cases if the two servlets resides in a same application or in different applications. A request is forwarded only forwards the request to the same WEB application components, and redirection can also be redirected to the same site in different application resources, and even can be directed to an absolute URL.

Redirection can see the URL of the target page, the page URL forwarding can only see the first visit, after all there is a server to do the work. Request response between caller and callee objects share the same request and response objects, redirect the caller and callee belong to two separate access request and response process. Must be added after the jump redirect return, or else jump though the page, but also performs jump behind the statement, forwarding is performed jump page, the following code would not be executed.

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