Oracle 1Z0-858 : Java Enterprise Edition 5 Web Component Developer Certified Professional Exam

  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: Jun 18, 2026
  • Q & A: 276 Questions and Answers

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

1. In which two locations can library dependencies be defined for a web application? (Choose two.)

A) the /META-INF/dependencies.xml file
B) the web application deployment descriptor
C) the /META-INF/MANIFEST.MF manifest file
D) the /META-INF/MANIFEST.MF manifest of a JAR in the web application classpath


2. 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) HttpServletRequest r = pageContext.getRequest(); Object o = r.getAttribute("foo");
C) Object o = pageContext.getAttribute("foo");
D) Object o = pageContext.getAttribute("foo", PageContext.SESSION_SCOPE);
E) Object o = pageContext.findAttribute("foo");


3. Which is true about the web container request processing model?

A) A filter defined for a servlet must always forward control to the next resource in the filter chain.
B) If the init method on a filter throws an UnavailableException, then the container will make no further attempt to execute it.
C) Filters associated with a named servlet are applied in the order they appear in the web application deployment descriptor file.
D) The init method on a filter is called the first time a servlet mapped to that filter is invoked.


4. Your web application views all have the same header, which includes the <title> tag in the <head> element of the rendered HTML. You have decided to remove this redundant HTML code from your JSPs and put it into a single JSP called /WEB-INF/jsp/header.jsp. However, the title of each page is unique, so you have decided to use a variable called pageTitle to parameterize this in the header JSP, like this: 10. <title>${param.pageTitle}<title>
Which JSP code snippet should you use in your main view JSPs to insert the header and pass the pageTitle variable?

A) <jsp:include page='/WEB-INF/jsp/header.jsp'>
<jsp:param name='pageTitle' value='Welcome Page' />
</jsp:include>
B) <jsp:insert page='/WEB-INF/jsp/header.jsp'>
${pageTitle='Welcome Page'}
</jsp:insert>
C) <jsp:insert page='/WEB-INF/jsp/header.jsp'>
<jsp:param name='pageTitle' value='Welcome Page' />
</jsp:insert>
D) <jsp:include page='/WEB-INF/jsp/header.jsp'>
${pageTitle='Welcome Page'}
</jsp:include>
E) <jsp:include file='/WEB-INF/jsp/header.jsp'>
${pageTitle='Welcome Page'}
</jsp:include>


5. You need to retrieve the username cookie from an HTTP request. If this cookie does NOT exist, then the c variable will be null. Which code snippet must be used to retrieve this
cookie object?

A) 10. Cookie c = request.getCookie("username");
B) 10. Cookie c = null;
11.
for ( Enumeration e = request.getCookies();
12.
e.hasMoreElements(); ) {
13.
Cookie o = (Cookie) e.nextElement();
14.
if ( o.getName().equals("username") ) {
15.
c = o;
16.
break;
17.
}
18.
}
C) 10. Cookie c = null;
11.
Cookie[] cookies = request.getCookies();
12.
for ( int i = 0; i < cookies.length; i++ ) {
13.
if ( cookies[i].getName().equals("username") ) {
14.
c = cookies[i];
15.
break;
16.
}
17.
}
D) 10. Cookie c = null;
11.
for ( Iterator i = request.getCookies();
12.
i.hasNext(); ) {
13.
Cookie o = (Cookie) i.next();
14.
if ( o.getName().equals("username") ) {
15.
c = o;
16.
break;
17.
}
18.
}


Solutions:

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

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