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Q.What is role of Action Class?

An Action Class performs a role of an adapter between the contents of an incoming HTTP request and the corresponding business logic that should be executed to process this request.

In the execute() method of Action class the business logic is executed.


public ActionForward execute(      ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception ;


execute() method of Action class:

Perform the processing required to deal with this request
Update the server-side objects (Scope variables) that will be used to create the next page of the user interface
Return an appropriate ActionForward object

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