Printable PDFJava Enterprise Edition 5 Web Component Developer Certified Professional Exam: 1Z0-858
Vendor: Oracle
Certifications: Others Oracle Certifications
Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
Exam Code: 1Z0-858
Total Questions: 276 Q&As
Last Updated: Jun 03, 2023
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1Z0-858 Online Practice Questions and Answers
The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. While reviewing the application, a developer realizes that in multiple places within the current application, nearly duplicate code exists that finds enterprise beans. Which pattern should be used to eliminate this duplicate code?
A. Transfer Object
B. Front Controller
C. Service Locator
D. Intercepting Filter
E. Business Delegate
F. Model-View-Controller
One of the use cases in your web application uses many session-scoped attributes. At the end of the use case, you want to clear out this set of attributes from the session object. Assume that this static variable holds this set of attribute names:
201.
private static final Set
202.
static {
203.
USE_CASE_ATTRS.add("customerOID");
204.
USE_CASE_ATTRS.add("custMgrBean");
205.
USE_CASE_ATTRS.add("orderOID");
206.
USE_CASE_ATTRS.add("orderMgrBean");
207.
}
Which code snippet deletes these attributes from the session object?
A. session.removeAll(USE_CASE_ATTRS);
B. for ( String attr : USE_CASE_ATTRS ) {session.remove(attr);}
C. for ( String attr : USE_CASE_ATTRS ) {session.removeAttribute(attr);}
D. for ( String attr : USE_CASE_ATTRS ) {session.deleteAttribute(attr);}
E. session.deleteAllAttributes(USE_CASE_ATTRS);
Given:
3.
class MyServlet extends HttpServlet {
4.
public void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
5.
// servlet code here ...
26.
}
27.
}
If the DD contains a single security constraint associated with MyServlet and its only
Which four requests would be allowed by the container? (Choose four.)
A. A user whose role is Admin can perform a PUT.
B. A user whose role is Admin can perform a GET.
C. A user whose role is Admin can perform a POST.
D. A user whose role is Member can perform a PUT.
E. A user whose role is Member can perform a POST.
F. A user whose role is Member can perform a GET.
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