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Oracle 1Z0-858 Exam Syllabus Topics:

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

1. Given in a single JSP page:
<%@ taglib prefix='java' uri='myTags' %>
<%@ taglib prefix='JAVA' uri='moreTags' %>
Which two are true? (Choose two.)

A) A translation error occurs because the prefix is considered identical by the web container.
B) For the tag usage <java:tag1/>, the tag1 must be unique in the union of tag names in 'myTags' and 'moreTags'.
C) The prefix 'java' is reserved.
D) The URI 'myTags' must be properly mapped to a TLD file by the web container.

2. Which JSTL code snippet can be used to perform URL rewriting?

A) <a href='<c:link url="foo.jsp"/>' />
B) <a href='<c:link value="foo.jsp"/>' />
C) <a href='<c:url value="foo.jsp"/>' />
D) <a href='<c:url url="foo.jsp"/>' />

3. Given:
1.package com.example;
2.3.
public abstract class AbstractItem {
4.private String name;
...
13. }
Assume a concrete class com.example.ConcreteItem extends com.example.AbstractItem. A servlet sets a session-scoped attribute called "item" that is an instance of com.example.ConcreteItem and then forwards to a JSP page.
Which two are valid standard action invocations that expose a scripting variable to the JSP page? (Choose two.)

A) <jsp:useBean id="item" class="com.example.ConcreteItem"
scope="session" />
B) <jsp:useBean id="com.example.ConcreteItem"
scope="session" />
C) <jsp:useBean id="item" type="com.example.ConcreteItem"
class="com.example.AbstractItem"
scope="session" />
D) <jsp:useBean id="item" type="com.example.ConcreteItem"
scope="session" />

4. You want to create a valid directory structure for your Java EE web application, and your application uses tag files and a JAR file. Which three must be located directly in your WEBINF directory (NOT in a subdirectory of WEB-INF)? (Choose three.)

A) A directory called classes
B) A directory called tags
C) A directory called lib
D) A directory called META-INF
E) A directory called TLDs
F) The JAR file

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

Solutions: