Maybe be you are mixing with initparamters and parameters (request parameters) Both of them are String. Init Parameters are of 2 types Context Init Paramters: Servlet Init Parameters: Both uses the method getInitParameter(String name) Normal paramters example form paramters : Accessor method is getParameter(String)
Attributes are objects and can be put into session,request and context
methods are setAttribute(String name,Object attr); Object getAttribute(String name);
The correct answer is Business Delegate and Front Controller.
Business Delegate-: Because all the look up code can be centralized in the Business Delegate/Service Locator.
Front Controler: Can be used for Centralized control and delegation.
MVC is not the best choice because its more associated with different types of views for the same controller and underlying model components. Best example can be an application which may have a Java Swing Client and Java Web Client.
You cannot use multiple "page directive with autoFlush attribute". So Enthuware is correct that the answer is wrong. However you can use multiple page directive with the import attribute.Only import attribute is allowed with multiple page directive. I hope this clears your doubt.