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

1Z0-858
  • Exam Code: 1Z0-858
  • Exam Name: Java Enterprise Edition 5 Web Component Developer Certified Professional Exam
  • Updated: Jul 14, 2026
  • Q & A: 276 Questions and Answers
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Oracle 1Z0-858 Exam Syllabus Topics:

SectionWeightObjectives
JSTL and Custom Tag Development12%- Tag files and descriptors
- JSTL core and formatting tags
- Tag handler lifecycle
Web Container Model10%- Container services
- Filters and interceptors
- Event listeners
Web Application Structure and Deployment10%- WAR file structure
- Deployment descriptor (web.xml)
- Annotations for configuration
Expression Language (EL) and Standard Actions10%- EL syntax and operators
- Standard JSP actions
- Accessing JavaBeans and collections
Servlet Technology Model15%- Servlet lifecycle
- Servlet configuration and initialization
- Request and response handling
JSP Technology Model13%- JSP lifecycle
- Elements and syntax
- Implicit objects
Session Management10%- Session lifecycle
- Session attributes and scope
- Session tracking mechanisms
Design Patterns and Architecture8%- Service Locator, Business Delegate
- Intercepting Filter, Front Controller
- MVC pattern
Web Application Security12%- Authorization and roles
- Authentication methods
- Data protection and transport security

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

1. You are building a dating web site. The client's date of birth is collected along with lots of other information. The Person class has a derived method, getAge():int, which returns the person's age calculated from the date of birth and today's date. In one of your JSPs you need to print a special message to clients within the age group of 25 through 35. Which two EL code snippets will return true for this condition? (Choose two.)

A) ${client.age between 25 and 35}
B) ${not client.age > 35 && client.age < 25}
C) ${client.age le 35 and client.age ge 25}
D) ${client.age <= 35 && client.age >= 25}
E) ${client.age between [25,35]}
F) ${client.age in [25,35]}


2. Given a JSP page:
11.
<n:recurse>
12.
<n:recurse>
13.
<n:recurse>
14.
<n:recurse />
15.
</n:recurse>
16.
</n:recurse>
17.
</n:recurse>
The tag handler for n:recurse extends SimpleTagSupport.
Assuming an n:recurse tag can either contain an empty body or another n:recurse tag, which strategy allows the tag handler for n:recurse to output the nesting depth of the deepest n:recurse tag?

A) Start a counter at 1. Call getChildTags(). If it returns null, output the value of the counter. Otherwise, increment counter and continue from where getChildTags() is called. Skip processing of the body.
B) Create a private non-static attribute in the tag handler class called count of type int initialized to 0. Increment count in the doTag method. If the tag has a body, invoke the fragment for that body. Otherwise, output the value of count.
C) If the tag has a body, invoke the fragment for that body.Otherwise, start a counter at 1. Call getParent(). If it returns null, output the value of the counter Otherwise, increment the counter and continue from where getParent() is called.
D) It is impossible to determine the deepest nesting depth because it is impossible for tag handlers that extend SimpleTagSupport to communicate with their parent and child tags.


3. Given an HttpServletRequest request and an HttpServletResponse response:
41.
HttpSession session = null;
42.
// insert code here
43.
if(session == null) {
44.
// do something if session does not exist
45.
} else {
46.
// do something if session exists
47.
}
To implement the design intent, which statement must be inserted at line 42?

A) session = response.getSession();
B) session = request.getSession("jsessionid");
C) session = request.getSession(false);
D) session = request.getSession(true);
E) session = request.getSession();


4. Which two directives are applicable only to tag files? (Choose two.)

A) tag
B) variable
C) taglib
D) page
E) include


5. DRAG DROP
Click the Task button.
A servlet context listener loads a list of com.example.Product objects from a database and
stores that list into the catalog attribute of the ServletContext object.
Place code snippets to construct a jsp:useBean standard action to access this catalog.


Solutions:

Question # 1
Answer: C,D
Question # 2
Answer: C
Question # 3
Answer: C
Question # 4
Answer: A,B
Question # 5
Answer: Only visible for members

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