SUN 310-083 : Sun Certified Web Component Developer for J2EE 5

  • Exam Code: 310-083
  • Exam Name: Sun Certified Web Component Developer for J2EE 5
  • Updated: May 26, 2026
  • Q & A: 276 Questions and Answers

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SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

1. Which interface must a session attribute implement if it needs to be notified when a web container persists a session?

A) javax.servlet.http.HttpSessionBindingListener
B) javax.servlet.http.HttpSessionActivationListener
C) javax.servlet.http.HttpSessionListener
D) javax.servlet.http.HttpSessionAttributeListener


2. A developer is designing a web application that must support multiple interfaces, including:
an XML web service for B2B
HTML for web-based clients
WML for wireless customers
Which design pattern provides a solution for this problem?

A) Chain of Responsibility
B) Data Access Object
C) Business Delegate
D) Model-View-Controller
E) Session Facade


3. You have created a JSP that includes instance variables and a great deal of scriptlet code.
Unfortunately, after extensive load testing, you have discovered several race conditions in your JSP scriptlet code. To fix these problems would require significant recoding, but you are already behind schedule. Which JSP code snippet can you use to resolve these concurrency problems?

A) <%! implements SingleThreadModel %>
B) <%@ page useSingleThreadModel='true' %>
C) <%@ page implements='SingleThreadModel' %>
D) <%@ implements SingleThreadModel %>
E) <%@ page isThreadSafe='false' %>


4. Given an HttpSession session, a ServletRequest request, and a ServletContext context, which retrieves a URL to /WEB-INF/myconfig.xml within a web application?

A) context.getResource("/WEB-INF/myconfig.xml")
B) request.getResource("/WEB-INF/myconfig.xml")
C) getClass().getResource("/WEB-INF/myconfig.xml")
D) session.getResource("/WEB-INF/myconfig.xml")


5. Given the element from the web application deployment descriptor:
< jsp-property-group>
< url-pattern>/main/page1.jsp</url-pattern>
< scripting-invalid>true</scripting-invalid>
< /jsp-property-group>
and given that /main/page1.jsp contains:
< % int i = 12; %>
< b><%= i %></b>
What is the result?

A) <b>12</b>
B) <b></b>
C) <% int i = 12 %>
< b><%= i %></b>
D) The JSP fails to execute.


Solutions:

Question # 1
Answer: B
Question # 2
Answer: D
Question # 3
Answer: E
Question # 4
Answer: A
Question # 5
Answer: D

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