单项选择题
Click the Exhibit button.
Given the web application deployment descriptor elements： 11.ParamAdder 13.com.example.ParamAdder 14.... 31.ParamAdder 33.Destination 34.... 55.Destination 57./dest/Destination 58. What is the result of a client request of the Source servlet with no query string？（）
A.The output "filterAdded = null" is written to the response stream.
B.The output "filterAdded = addedByFilter" is written to the response stream.
C.An exception is thrown at runtime within the service method of the Source servlet.
D.An exception is thrown at runtime within the service method of the Destination servlet.
相关考题
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多项选择题
Given： String value = getServletContext（）.getInitParameter（"foo"）； in an HttpServlet and a web applicationdeployment descriptor that contains： <context-param> <param-name>foo</param-name> <param-value>frodo</param-value> </context-param> Which two are true？（）
A.The foo initialization parameter CANNOT be set programmatically.
B.Compilation fails because getInitParameter returns type Object.
C.The foo initialization parameter is NOT a servlet initialization parameter.
D.Compilation fails because ServletContext does NOT have a getInitParameter method.
E.The foo parameter must be defined within theelement of the deployment descriptor. -
多项选择题
Forwhichthreeeventscanwebapplicationeventlistenersberegistered？（）
A.When a session is created
B.After a servlet is destroyed
C.When a session has timed out
D.When a cookie has been created
E.When a servlet has forwarded a request
F.When a session attribute value is changed -
多项选择题
Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation.This information must NOT be accessible to any other servlet，JSP or session in the webapp. Which two techniques can you use to accomplish this goal？（）
A.Add attributes to the session object.
B.Add attributes on the request object.
C.Add parameters to the request object.
D.Use the pageContext object to add request attributes.
E.Add parameters to the JSP’s URL when generating the request dispatcher.
