This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
requestScope is the EL implicit object and whereas request is the instance of HttpServletRequest.requestScope in EL is the implicit map of attribute and its values where as request object can do lot more functions other than this.
This example mean that :
object p will taken from request scope and getName() method will be invoked on that object.