Download Oracle : 1Z0-858 Questions & Answers as PDF & Test Software
Updated: Jun 12, 2026
No. of Questions: 276 Questions & Answers with Testing Engine
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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
1. A developer has created a special servlet that is responsible for generating XML content that is sent to a data warehousing subsystem. This subsystem uses HTTP to request these large data files, which are compressed by the servlet to save internal network bandwidth. The developer has received a request from management to create several more of these data warehousing servlets. The developer is about to copy and paste the compression code into each new servlet. Which design pattern can consolidate this compression code to be used by all of the data warehousing servlets?
A) Composite Facade
B) Facade
C) View Helper
D) Intercepting Filter
E) Transfer Object
2. 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) Service Locator
B) Model-View-Controller
C) Intercepting Filter
D) Front Controller
E) Business Delegate
F) Transfer Object
3. You need to create a servlet filter that stores all request headers to a database for all requests to the web application's home page "/index.jsp". Which HttpServletRequest method allows you to retrieve all of the request headers?
A) java.util.Iterator getHeaderNames()
B) String[] getRequestHeaders()
C) java.util.Iterator getRequestHeaders()
D) java.util.Enumeration getHeaderNames()
E) String[] getHeaderNames()
F) java.util.Enumeration getRequestHeaders()
4. Click the Exhibit button.
Given the HTML form:
1.<html>
2.<body>
3.<form action="submit.jsp">
4.Name: <input type="text" name="i1"><br>
5.Price: <input type="text" name="i2"><br>
6.<input type="submit">
7.</form>
8.</body>
9.</html>
Assume the product attribute does NOT yet exist in any scope.
Which code snippet, in submit.jsp, instantiates an instance of com.example.Product that contains the results of the form submission?
A) <jsp:useBean id="product" class="com.example.Product">
<jsp:setProperty name="product" property="name"
param="i1" />
<jsp:setProperty name="product" property="price"
param="i2" />
</jsp:useBean>
B) <jsp:useBean id="com.example.Product" /> <jsp:setProperty name="product" property="*" />
C) <jsp:useBean id="product" class="com.example.Product" />
${product.name = param.i1}
${product.price = param.i2}
D) <jsp:useBean id="product" type="com.example.Product">
<jsp:setProperty name="product" property="name"
value="<%= request.getParameter( "i1" ) %>" />
<jsp:setProperty name="product" property="price"
value="<%= request.getParameter( "i2" ) %>" />
</jsp:useBean>
5. Given tutorial.jsp:
2.<h1>EL Tutorial</h1>
3.<h2>Example 1</h2>
4.<p>
5.Dear ${my:nickname(user)}
6.</p>
Which, when added to the web application deployment descriptor, ensures that line 5 is included verbatim in the JSP output?
A) <jsp-config> <url-pattern>*.jsp</url-pattern> <el-ignored>true</el-ignored> </jsp-config>
B) <jsp-config> <jsp-property-group> <url-pattern>*.jsp</url-pattern> <el-ignored>true</el-ignored> </jsp-property-group> </jsp-config>
C) <jsp-config> <jsp-property-group> <el-ignored>*.jsp</el-ignored> </jsp-property-group> </jsp-config>
D) <jsp-config> <url-pattern>*.jsp</url-pattern> <isELIgnored>true</isELIgnored> </jsp-config>
E) <jsp-config> <jsp-property-group> <url-pattern>*.jsp</url-pattern> <isElIgnored>true</isElIgnored> </jsp-property-group> </jsp-config>
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: B |
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