An Action class in the struts application is used to handle the request.
It acts as interface or communication medium between the HTTP request coming to it and business logic used to develop the application.
Action class consists of RequestProcessor which act as controller. This controller will choose the best action for each incoming request, generate the instance of that action and execute that action.
This should be in thread-safe manner, because RequestProcessor uses the same instance for no. of requests at same time.
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