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

  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: Sep 02, 2025     Q & A: 276 Questions and Answers

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

1. Which two from the web application deployment descriptor are valid? (Choose two.)

A) <error-page>
<exception-type>java.io.IOException</exception-type>
<location>/error.html</location>
</error-page>
B) <error-page>
<exception-type>*</exception-type>
<location>/error.html</location>
</error-page>
C) <error-page>
<exception-type>java.lang.Error</exception-type>
<location>/error.html</location>
</error-page>
D) <error-page>
<exception-type>NullPointerException</exception-type>
<location>/error.html</location>
</error-page>
E) <error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/error.html</location>
</error-page>


2. You need to store a floating point number, called Tsquare, in the session scope. Which two code snippets allow you to retrieve this value? (Choose two.)

A) float Tsquare = ((Float) session.getAttribute.("Tsquare")).floatValue();
B) float Tsquare = ((Float) session.getNumericAttribute.("Tsquare")).floatValue;
C) float Tsquare = (float) session.getNumericAttribute("Tsquare");
D) float Tsquare = ((Float) session.getFloatAttribute.("Tsquare")).floatValue;
E) float Tsquare = session.getFloatAttribute("Tsquare");
F) float Tsquare = (Float) session.getAttribute("Tsquare");


3. You need to store a Java long primitive attribute, called customerOID, into the session scope. Which two code snippets allow you to insert this value into the session? (Choose two.)

A) long customerOID = 47L; session.setLongAttribute("customerOID", customerOID);
B) long customerOID = 47L; session.setAttribute("customerOID", new Long(customerOID));
C) long customerOID = 47L; session.setAttribute("customerOID", customerOID);
D) long customerOID = 47L; session.setNumericAttribute("customerOID", customerOID);
E) long customerOID = 47L; session.setNumericAttribute("customerOID", new Long(customerOID));
F) long customerOID = 47L; session.setLongAttribute("customerOID", new Long(customerOID));


4. Which two are true about the JSTL core iteration custom tags? (Choose two.)

A) It may iterate over a map, but only the key of the mapping may be used in the tag body.
B) When looping over integers (for example begin='1' end='10'), a loop status object may not be used in the tag body.
C) When looping over collections, a loop status object may be used in the tag body.
D) It may iterate over arrays, collections, maps, and strings.
E) The body of the tag may contain EL code, but not scripting code.


5. Assume the scoped attribute priority does NOT yet exist. Which two create and set a new request-scoped attribute priority to the value "medium"? (Choose two.)

A) <c:set var="priority" value="medium" scope="request" />
B) <c:set var="priority" value="medium" />
C) <c:set property="priority" scope="request">medium</c:set>
D) <c:set var="priority" scope="request">medium</c:set>
E) ${priority = 'medium'}
F) ${requestScope['priority'] = 'medium'}
G) <c:set property="priority" value="medium" scope="request" />


Solutions:

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

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