What is sendRedirect method in servlet?
sendRedirect() method redirects the response to another resource, inside or outside the server. It makes the client/browser to create a new request to get to the resource. It sends a temporary redirect response to the client using the specified redirect location URL.
How does Response sendRedirect work?
sendRedirect() method redirects the response to another resource. This method actually makes the client(browser) to create a new request to get to the resource. The client can see the new url in the browser. sendRedirect() accepts relative URL, so it can go for resources inside or outside the server.
What is difference between ServletResponse sendRedirect () and RequestDispatcher forward () method?
A RequestDispatcher forward() is used to forward the same request to another resource whereas ServletResponse sendRedirect() is a two step process. In sendRedirect(), web application returns the response to client with status code 302 (redirect) with URL to send the request.
What are methods of request dispatcher?
The RequestDispatcher interface provides two methods. They are: public void forward(ServletRequest request,ServletResponse response)throws ServletException,java. io.
What is request dispatcher in Java?
public interface RequestDispatcher. Defines an object that receives requests from the client and sends them to any resource (such as a servlet, HTML file, or JSP file) on the server.
Why we use RequestDispatcher instead of sendRedirect?
The RequestDispatcher interface allows you to do a server side forward/include whereas sendRedirect() does a client side redirect. SendRedirect() will search the content between the servers. it is slow because it has to intimate the browser by sending the URL of the content.
What is the main difference between forward and sendRedirect methods?
Difference between SendRedirect and Forward
| Forward() | SendRediret() |
|---|---|
| Using the forward () method is faster than send a redirect. | SendRedirect is slower because one extra round trip is required because a completely new request is created and the old request object is lost. Two browser requests required. |
What is difference between GenericServlet and HttpServlet?
The main difference between GenericServlet and HttpServlet is that the GenericServlet is protocol independent and can be used with any protocol such as HTTP, SMTP, FTP, and, CGI while HttpServlet is protocol dependent and only used with HTTP protocol.
What is the purpose of forward () and include () methods in request dispatcher?
You should use include() method to load a resource which could be a JSP page or another Servlet, and use forward() to redirect the request to another resource for further processing, again you can forward the request to another Servlet or JSP page.
What is the key difference between using a and HttpServletResponse sendRedirect ()?
(a) forward executes on the client while sendRedirect() executes on the server. (b) forward executes on the server while sendRedirect() executes on the client.
What is the difference between sendRedirect and forward method?
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.