How RequestDispatcher work in servlet explain with example?

The RequestDispatcher interface provides the facility of dispatching the request to another resource it may be html, servlet or jsp. This interface can also be used to include the content of another resource also. It is one of the way of servlet collaboration.

What is RequestDispatcher difference between include () and forward () method?

The difference between the two methods is that the forward method will close the output stream after it has been invoked, whereas the include method leaves the output stream open. The include method takes the content from another resource and includes it in the servlet.

What are two methods of RequestDispatcher?

The RequestDispatcher interface provides the option of dispatching the client’s request to another web resource, which could be an HTML page, another servlet, JSP etc. It provides the following two methods: public void forward(ServletRequest request, ServletResponse response)throws ServletException, java. io.

What are different methods of RequestDispatcher?

Servlet: Methods of RequestDispatcher

Methods	Description
public void forward(ServletRequest request,ServletResponse response)throws ServletException,java.io.IOException	It is used for forwarding the request from one servlet to another servlet on a server.

What is the purpose of RequestDispatcher interface and give one example?

The RequestDispatcher interface provides the option of dispatching the client’s request to another web resource, which could be an HTML page, another servlet, JSP etc. It provides the following two methods: public void forward(ServletRequest request, ServletResponse response)throws ServletException, java.

What is RequestDispatcher in Java?

javax.servlet 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.

What is difference between sendRedirect and RequestDispatcher?

The RequestDispatcher interface allows you to do a server side forward/include whereas sendRedirect() does a client side redirect. then browser will create a new request for the content within the same server or in another one. …

What is difference between RequestDispatcher and sendRedirect?

What is requestrequestdispatcher in servlet?

RequestDispatcher in Servlet. The RequestDispatcher interface provides the facility of dispatching the request to another resource it may be html, servlet or jsp. This interface can also be used to include the content of another resource also. It is one of the way of servlet collaboration.

What is the use of requestdispatcher interface in Java?

The RequestDispatcher interface provides the facility of dispatching the request to another resource it may be html, servlet or jsp. This interface can also be used to include the content of another resource also. It is one of the way of servlet collaboration.

How to forward a request from one servlet to another servlet?

This interface has following two methods: public void forward (ServletRequest request, ServletResponse response): It forwards the request from one servlet to another resource (such as servlet, JSP, HTML file).

What is the difference between forward and include methods in requestdispatcher?

RequestDispatcher methods. RequestDispatcher has two methods: The difference between the two methods is that the forward() method will close the output stream after it has been invoked, whereas the include() method leaves the output stream open. The include() method takes the content from another resource and includes it in the servlet.