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Oracle 1Z0-858 Exam Syllabus Topics:

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

Question 1

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. View Helper
C. Front Controller
D. Intercepting Filter
E. Business Delegate
F. Composite View

Question 2

Which two are characteristics of the Intercepting Filter pattern? (Choose two.)

A. It provides centralized request handling for incoming requests.
B. It forces resource authentication to be distributed across web components.
C. It can be added and removed unobtrusively, without requiring changes to existing code.
D. It allows preprocessing and postprocessing on the incoming requests and outgoing responses.
E. It reduces coupling between presentation-tier clients and underlying business services.

Question 3

You are creating a JSP page to display a collection of data. This data can be displayed in several different ways so the architect on your project decided to create a generic servlet that generates a comma-delimited string so that various pages can render the data in different ways. This servlet takes on request parameter: objectID. Assume that this servlet is mapped to the URL pattern: /WEB-INF/data.
In the JSP you are creating, you need to split this string into its elements separated by commas and generate an HTML <ul> list from the data.
Which JSTL code snippet will accomplish this goal?

A. <c:import varReader='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString}' delims=',' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
B. <c:import var='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString.split(",")}' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
C. <c:import varReader='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString.split(",")}' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>
D. <c:import var='dataString' url='/WEB-INF/data'>
<c:param name='objectID' value='${currentOID}' />
</c:import>
<ul>
<c:forTokens items'${dataString}' delims=',' var='item'>
<li>${item}</li>
</c:forTokens>
</ul>

Question 4

Given the JSP code:
10.<html>
11.<body>
12.<jsp:useBean id='customer' class='com.example.Customer' />
13.Hello, ${customer.title} ${customer.lastName}, welcome
14.to Squeaky Beans, Inc.
15.</body>
16.</html>
Which three types of JSP code are used? (Choose three.)

A. expression language
B. scripting code
C. standard action
D. template text
E. Java code

Question 5

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

Solutions: