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Oracle 1Z0-858 Exam Syllabus Topics:

Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:

1. Click the Exhibit button.
Given the JSP code:
1.<%
2.pageContext.setAttribute( "product",
3.new com.example.Product( "Pizza", 0.99 ) );
4.%>
5.<%-- insert code here --%>
Which two, inserted at line 5, output the name of the product in the response? (Choose
two.)

A) <%= product.getName() %>
B) <jsp:useBean id="product" class="com.example.Product" />
<%= product.getName() %>
C) <jsp:useBean id="com.example.Product" scope="page">
<%= product.getName() %>
</jsp:useBean>
D) <jsp:useBean id="product" type="com.example.Product"
scope="page" />
<%= product.getName() %>
E) <jsp:useBean id="product" type="com.example.Product">
<%= product.getName() %>
</jsp:useBean>

2. In your web application, you need to execute a block of code whenever the session object is first created. Which design will accomplish this goal?

A) Create an HttpSessionListener class and implement the sessionInitialized method with that block of code.
B) Create an HttpSessionListener class and implement the sessionCreated method with that block of code.
C) Create a Filter class, call the getSession(true) method, and if the result was NOT null, then execute that block of code.
D) Create an HttpSessionActivationListener class and implement the sessionCreated method with that block of code.
E) Create a Filter class, call the getSession(false) method, and if the result was null, then execute that block of code.

3. You want to create a filter for your web application and your filter will implement javax.servlet.Filter.
Which two statements are true? (Choose two.)

A) Your filter class must implement a doFilter method that takes, among other things, an HTTPServletRequest object and an HTTPServletResponse object.
B) The method that your filter invokes on the object it received that implements javax.servlet.FilterChain can invoke either another filter or a servlet.
C) Your filter class must also implement javax.servlet.FilterChain.
D) When your filter chains to the next filter, it should pass the same arguments it received in its doFilter method.
E) Your filter class must implement an init method and a destroy method.

4. In a JSP-centric shopping cart application, you need to move a client's home address of the Customer object into the shipping address of the Order object. The address data is stored in a value object class called Address with properties for: street address, city, province, country, and postal code. Which two JSP code snippets can be used to accomplish this goal? (Choose two.)

A) <jsp:setProperty name='${order}' property='shipAddress' value='${client.homeAddress}' />
B) <c:set target='${order}' property='shipAddress'> <jsp:getProperty name='client' property='homeAddress' /> </c:set>
C) <c:set target='${order}' property='shipAddress' value='${client.homeAddress}' />
D) <c:set var='order' property='shipAddress' value='${client.homeAddress}' />
E) <c:setProperty name='${order}' property='shipAddress'> <jsp:getProperty name='client' property='homeAddress' /> </c:setProperty>
F) <c:set var='order' property='shipAddress'> <jsp:getProperty name='client' property='homeAddress' /> </c:store>

5. The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. While reviewing the application, a developer realizes that in multiple places within the current application, nearly duplicate code exists that finds enterprise beans. Which pattern should be used to eliminate this duplicate code?

A) Service Locator
B) Intercepting Filter
C) Business Delegate
D) Model-View-Controller
E) Transfer Object
F) Front Controller

Solutions: