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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
Update Time : 2013-3-28
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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.
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.
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