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

Exam Number/Code : 1Z0-858

Exam Name : Java
Enterprise Edition 5 Web Component Developer Certified Professional Exam

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Questions and Answers : 238Q&As

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

Section 10: Building a Custom Tag Library

Describe the
semantics of the “Classic” custom tag event model when each event method
(doStartTag, doAfterBody, and doEndTag) is executed, and explain what the return
value for each event method means; and write a tag handler class.

Using the
PageContext API, write tag handler code to access the JSP implicit variables and
access web application attributes.

Given a scenario, write tag handler code
to access the parent tag and an arbitrary tag ancestor.

Describe the
semantics of the “Simple” custom tag event model when the event method (doTag)
is executed; write a tag handler class; and e xplain the constraints on the JSP
content within the tag.

Describe the semantics of the Tag File model;
describe the web application structure for tag files; write a tag file; and
explain the constraints on the JSP content in the body of the tag.

Section 11: Java EE Patterns

Given a scenario description with a list of
issues, select a pattern that would solve the issues. The list of patterns you
must know are: Intercepting Filter, Model-View-Controller, Front Controller,
Service Locator, Business Delegate, and Transfer Object.

Match design
patterns with statements describing potential benefits that accrue from the use
of the pattern, for any of the following patterns: Intercepting Filter,
Model-View-Controller, Front Controller, Service Locator, Business Delegate, and
Transfer Object.

Oracle Java Enterprise Edition 5 Web Component Developer Certified
Professional Exam 1Z0-858
dumps free download demo

16.You want to create a filter for your web
application and your filter will implement javax.servlet.Filter.

Which two
statements are true? (Choose two.)

A. Your filter class must implement an
init method and a destroy method.

B. Your filter class must also implement
javax.servlet.FilterChain.

C. When your filter chains to the next filter, it
should pass the same arguments it received in its doFilter method.

D. The
method that your filter invokes on the object it received that implements
javax.servlet.FilterChain can invoke either another filter or a servlet.

E.
Your filter class must implement a doFilter method that takes, among other
things, an HTTPServletRequest object and an HTTPServletResponse
object.

Answer: A,D

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

A. The HttpServletRequestWrapper is an example of the Decorator
pattern.

B. The HttpServletRequestWrapper can be used to extend the
functionality of a servlet request.

C. A subclass of
HttpServletRequestWrapper CANNOT modify the behavior of the getReader
method.

D. An HttpServletRequestWrapper may be used only by a class
implementing the javax.servlet.Filter interface.

E. An
HttpServletRequestWrapper CANNOT be used on the request passed to the
RequestDispatcher.include method.

F. An HttpServletRequestWrapper may modify
the header of a request within an object implementing the javax.servlet.Filter
interface.

Answer: A,B,F

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