Learn with SUN : 310-083 training material for 100% pass
Updated: Jun 02, 2026
No. of Questions: 276 Questions & Answers with Testing Engine
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SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:
1. Given an EL function declared with:
1 1. <function>
1 2. <name>spin</name>
1 3. <function-class>com.example.Spinner</function-class>
1 4. <function-signature>
1 5. java.lang.String spinIt()
1 6. </function-signature>
1 7. </function>
Which two are true? (Choose two.)
A) The function method must have the signature:
public String spin().
B) The function class must be named Spinner, and must be in the package com.example.
C) The function method must have the signature
public static String spin().
D) The function method must have the signature:
public static String spinIt().
E) The function method must have the signature:
public String spinIt().
F) The method must be mapped to the logical name "spin" in the web.xml file.
2. 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 isThreadSafe='false' %>
C) <%! implements SingleThreadModel %>
D) <%@ page implements='SingleThreadModel' %>
E) <%@ page useSingleThreadModel='true' %>
3. Given:
3 . public class MyTagHandler extends TagSupport {
4 . public int doStartTag() {
5 . // insert code here
6 . // return an int
7 . }
8 . // more code here
...
18. }
There is a single attribute foo in the session scope.
Which three code fragments, inserted independently at line 5, return the value of the attribute? (Choose three.)
A) HttpSession s = pageContext.getSession();
Object o = s.getAttribute("foo");
B) Object o = pageContext.findAttribute("foo");
C) Object o = pageContext.getAttribute("foo",
PageContext.SESSION_SCOPE);
D) HttpServletRequest r = pageContext.getRequest();
Object o = r.getAttribute("foo");
E) Object o = pageContext.getAttribute("foo");
4. A developer has created a special servlet that is responsible for generating XML content that is sent to a data warehousing subsystem. This subsystem uses HTTP to request these large data files, which are compressed by the servlet to save internal network bandwidth.
The developer has received a request from management to create several more of these data warehousing servlets. The developer is about to copy and paste the compression code into each new servlet. Which design pattern can consolidate this compression code to be used by all of the data warehousing servlets?
A) Transfer Object
B) Facade
C) Intercepting Filter
D) Composite Facade
E) View Helper
5. For an HttpServletResponse response, which two create a custom header? (Choose two.)
A) response.setHeader("X-MyHeader", "34");
B) response.setHeader(new ServletHeader("X-MyHeader", "34"));
C) response.addHeader(new ServletHeader("X-MyHeader", "34"));
D) response.addHeader(new HttpHeader("X-MyHeader", "34"));
E) response.setHeader(new HttpHeader("X-MyHeader", "34"));
F) response.addHeader("X-MyHeader", "34");
Solutions:
| Question # 1 Answer: B,D | Question # 2 Answer: B | Question # 3 Answer: A,B,C | Question # 4 Answer: C | Question # 5 Answer: A,F |
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