Oracle 1Z0-858 Q&A - in .pdf

  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: May 28, 2026
  • Q & A: 276 Questions and Answers
  • PDF Price: $59.98
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Oracle 1Z0-858 Q&A - Testing Engine

  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: May 28, 2026
  • Q & A: 276 Questions and Answers
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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:

1. Which three are true about the HttpServletRequestWrapper class? (Choose three.)

A) The HttpServletRequestWrapper can be used to extend the functionality of a servlet request.
B) An HttpServletRequestWrapper CANNOT be used on the request passed to the RequestDispatcher.include method.
C) The HttpServletRequestWrapper is an example of the Decorator pattern.
D) An HttpServletRequestWrapper may be used only by a class implementing the javax.servlet.Filter interface.
E) An HttpServletRequestWrapper may modify the header of a request within an object implementing the javax.servlet.Filter interface.
F) A subclass of HttpServletRequestWrapper CANNOT modify the behavior of the getReader method.


2. All of your JSPs need to have a link that permits users to email the web master. This web application is licensed to many small businesses, each of which have a different email address for the web master. You have decided to use a context parameter that you specify in the deployment descriptor, like this:
42.
<context-param>
43.
<param-name>webmasterEmail</param-name>
44.
<param-value>[email protected]</param-value>
45.
</context-param>
Which JSP code snippet creates this email link?

A) <a href='mailto:${contextParam.webmasterEmail}'>contact us</a>
B) <a href='mailto:${applicationScope.webmasterEmail}'>contact us</a>
C) <a href='mailto:${contextInitParam.webmasterEmail}'>contact us</a>
D) <a href='mailto:${initParam.webmasterEmail}'>contact us</a>


3. A developer is designing the presentation tier for a web application that relies on a complex session bean. The session bean is still being developed and the APIs for it are NOT finalized. Any changes to the session bean API directly impacts the development of the presentation tier. Which design pattern provides a means to manage the uncertainty in the API?

A) Chain of Responsibility
B) Composite View
C) Front Controller
D) View Helper
E) Business Delegate
F) Intercepting Filter


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


5. You are building a dating web site. The client's date of birth is collected along with lots of other information. You have created an EL function with the signature: calcAge(java.util.Date):int and it is assigned to the name, age, in the namespace, funct. In one of your JSPs you need to print a special message to clients who are younger than 25. Which EL code snippet will return true for this condition?

A) ${funct:age(client.birthDate) < 25}
B) ${funct:age[client.birthDate] < 25}
C) ${calcAge(client.birthDate) < 25}
D) ${funct:calcAge[client.birthDate] < 25}
E) ${funct:calcAge(client.birthDate) < 25}
F) ${calcAge[client.birthDate] < 25}


Solutions:

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

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