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  Tutorial: Java JSP and Servlets Forwarding and Including Response from other Servlets. Tutorial

This article describes how to forward response from one Servlet to another and how to include response from the other Servlet. Discusses RequestDispatcher interface. Online demo available.

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Java JSP and Servlets Forwarding and Including Response from other Servlets. Tutorial
If you are familiar with ASP 3.0 then you must be knowing about Server.Transfer and Server.Execute methods. Server.Transfer forwards the control to another ASP page while Server.Execute executes the given page and after that gives the control back to the caller page. Servlet API also provides us this functionality with the RequestDispatcher interface. This interface has just two methods, forward() and include which do pretty much what their names suggest.
In this article we will learn how to pass control from one Servlet to another using RequestDispatcher.forward() method and how to include response from another Servlet within the caller Servlet using RequestDispatcher.include() method.

RequestDispatcher Interface
This interface is present in the javax.servlet package and contains only following two methods :
forward(ServletRequest request, ServletResponse response) Forwards a request to another resource on the same server. That resource can be a Servlet, JSP page or a simple HTML page.


 

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