A.${product.name}B.

Click the Exhibit button.

A servlet sets a session-scoped attribute product with an instance of com.example.Product and forwards toa JSP.
Which two output the name of the product in the response？（）

A.${product.name}
B.<jsp：getProperty name="product" property="name" />
C.<jsp：useBean id="com.example.Product" /><%= product.getName（） %>
D.<jsp：getProperty name="product" class="com.example.Product" property="name" />

单项选择题Click the Exhibit button. A session-scoped attribute， product， is stored by a servlet. That servlet then forwards to a JSP page. Thisattribute holds an instance of the com.example.Product class with a name property of  The Matrix  andprice property of 39.95. Given the JSP page code snippet： 1. 2. 3. 4. costs   What is the response output of this JSPpage code snippet？（）

A.Default costs 0.0
B.Default costs 49.95
C.Default costs 39.95
D.The Matrix costs 0.0
E.The Matrix costs 49.95

多项选择题Click the Exhibit button. Assume the product attribute does NOT yet exist in any scope. Which two create an instance of com.example.Product and initialize the name and price properties to the name and price request parameters？（）

A.
B.
C.
D.

单项选择题Whichdefinesthewelcomefilesinawebapplicationdeploymentdescriptor？（）

A.
B.
C.
D.

单项选择题Given this fragment from a Java EE deployment descriptor： 341.<error-page> 342.<exception-type>java.lang.Throwable< exception-type>  343.<location> mainError.jsp< location> 344.< error-page> 345.<error-page> 346.<exception-type>java.lang.ClassCastException< exception-type>  347.<location> castError.jsp< location> 348.< error-page> If the web application associated with the fragment above throws a ClassCastException.Which statement is true？（）

A.The deployment descriptor is invalid.
B.The container invokes mainError.jsp.
C.The container invokes castError.jsp.
D.Neither mainError.jsp nor castError.jsp is invoked.

单项选择题You have created a servlet that generates weather maps. The data for these maps is calculated by aremote host. The IP address of this host is usually stable， but occasionally does have to change as thecorporate network grows and changes. This IP address used to be hard coded， but after the fifth change tothe IP address in two years， you have decided that this value should be declared in the deploymentdescriptor so you do NOT have the recompile the web application every time the IP address changes. Which deployment descriptor snippet accomplishes this goal？（）

A.
B.
C.
D.