SCWCD 5.0
- Friday, December 5, 2008, 11:47
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The Sun Certified Web Component Developer (SCWCD 5.0) for J2EE Platform certification exam is for Sun Certified Programmers (any edition) who are using the Java technology servlet and JavaServer Pages (JSP) application program interface (APIs) to develop Web applications. Prior to beginning the Sun Certified Web Component Developer program, you must be a Sun Certified Programmer(SCJP) for the Java platform (any edition).
The new version SCWCD 5.0 doesn’t add any new objectives or the syllabus. It is an update for the SCWCD exam with all the latest specifications in the J2EE technologies. It doesn’t include Java Server Faces(JSF) in the exam objectives.
SCWCD 5.0 Books
There is no specific books for the SCWCD 5.0 exam since this exam has the little changes compare to the previous version. There will be upgraded books in the market after couple of months. You can follow the same books used for SCWCD 1.4 exams.
Head First Servlets and JSP By Kathy Sierra, Bert Bates
Aimed at helping Java developers, Servlet/JSP developers, and J2EE developers pass the Sun Certified Web Component Developer Exam (SCWCD), this guide covers all the important aspects of the Servlet and JSP technology including Design Patterns and Filters.The accompanying CD includes JWebPlus, the exam simulator from Enthuware.com that contains three full size tests on the SCWCD pattern. More than 300 questions in the form of Quizlets, Review Questions, and JWebPlus are included. Buy this book from amazon
SCWCD Exam Study Kit By Hanumant Deshmukh, Jignesh Malavia
No problem. Head First Servlets and JSP’s brain-friendly approach drives the knowledge straight into your head (without sharp instruments). You’ll interact with servlets and JSPs in ways that help you learn quickly and deeply. It may not be The Da Vinci Code, but quickly see why so many reviewers call it “a page turner”. Most importantly, this book will help you use what you learn. It won’t get you through the exam only to have you forget everything the next day.
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1) A software company wants to develop a component that does many of the pre-processing stuffs like whether the requests are coming from authentic sources, filtering unwanted data in the request object. What type of pattern will be the best match for developing such a component?
Front Controller
Business Controller
Business Delegate
Intercepting Filter
2) A class wants to keep track of its number of objects being added to HttpSession objects. Which will be the ideal way to achieve this?
Define a listener class implementing HttpSessionListener and whenever an object is added to Http Session object, keep track of the number of instances.
Define a listener class implementing HttpSessionBindingListener and in the valueBound() method, keep track of the number of instances being added in a static variable.
It is highly impossible to keep track the number of objects being added to a Http Session in a Web Application.
The Servlet API provides direct support for keeping track the object instances.
3) What will be the output of the following JSP code snippet at run-time when it is accessed the third time?
< % int test = 0; %>
< % ++test; %>
The value of test is
< %= test %>
The value of the ‘test’ variable will be 2.
The value of the ‘test’ variable will be 0.
The value of the ‘test’ variable will be 1.
The variable ‘test’ must be declared at global scope, else a run-time error will occur.
4) What method can be used to retrieve all the parameter names being sent as part of the request by the client?
Use the method ‘HttpServletRequest.getParameterNames()’ which will return an enumeration of parameter names.
Use the method ‘HttpServletResponse.getParameterNames()’ which will return an enumeration of parameter names.
Use the method ‘HttpServletRequest.getAllParameters()’ which will return an enumeration of parameter names.
There is no direct support in the Servlet API to retrieve the name of all the parameters sent by the client.
5) Given the deployment descriptor for a Web Application is
What will be the output of the following Servlet?
package scwcd14.chap02;
import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class InitParamsServlet extends HttpServlet {
public void init(){
ServletConfig config = getServletConfig();
System.out.println(config.getInitParameter(“name”));
System.out.println(config.getInitParameter(“no-name”));
}
…
}
The Servlet will output ‘javabeat null’ in the Server Console.
The Servlet will fail to load as the init param property ‘no-name’ is not mentioned in the deployment descriptor.
A NullPointerException will be raised as calling getServletConfig() in the init() method will return a null reference.
6) Following is an excerpt taken from a Deployment Descriptor of some Web Application.
7)Which of the following code will output the message ‘MockQuestions ContextInfoServlet’ to the client browser (assuming that ‘out’ is a valid instance of type ‘PrintWriter’ class)?
out.println(config.getServletContext().getParameter(“app-name”));
out.println(config.getInitParameter(“app-name”));
out.println(config.getInitParameter(“app-name”));
out.println(config.getServletContext().getInitParameter(“app-name”));
out.println(config.getServletContext().getInitParameter(“app-name”));
out.println(config.getInitParameter(“app-name”));
out.println(config.getServletContext().getInitParameter(“app-name”));
out.println(config.getParameter(“app-name”));
7) Which of the following tag library definition is valid?
What is the equivalent action code for the following piece of JSP code snippet?
EmployeeBean harry = (EmployeeBean)request.getAttribute(“harry”);
if (harry == null)
{
harry = new EmployeeBean();
request.setAttribute(“harry”, harry);
}
9) Which of the following is a valid declaration of a Tag Library in a Deployment Descriptor?
10) Which of the following EL expression retrieves the value of the attribute by name ‘attribute’ found in HTTP’s request object
${request.getAttribute()}
${request.attribute}
${pageContext.request.getAttribute()}
${pageContext.request.attribute}
Answers
1) d.
Since all of the operations corresponds to some pre-processing stuff, an Intercepting filter will be the ideal pattern to achieve this.
2) b.
Option b is correct as a custom attribute, if want to be notified when objects of the class are being added to Http Session, should implement the HttpSessionBindingListener interface.
3) c.
The variable ‘test’ is declared with local scope as it is declared within the doGet() method. So, the number of times, this page is invoked doesn’t really matter and the value of the variable ‘test’ at any point of time will be ’1′.
4) a.
Using HttpServletRequest and by calling the method getParamterNames(), all the parameter names can be retrieved.
5) a.
Option a is correct. It will print the value of the init parameters in the Server console.
6) c.
Option c is correct as to retrieve data declared in the
7) a.
Option b is incorrect as the tag name must be unique with the tag definition file. Option c is incorrect as there is no such tag called ‘sub-tag’.
c.
An employee object by name ‘harry’ is taken from the request object which is of type ‘EmployeeBean’. Option c is the right one which is defining this.
9) c.
Option c is correct as valid elements for ‘taglib’ are ‘taglib-uri’ and ‘taglib-location’.
10) d.
A request object can be obtained by calling ${pageContext.request}. Since java methods calls cannot be used (and shouldn’t be), option c is incorrect as it uses the java method call syntax (getMethod()).
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Shopping Cart Product Details
SCWCD Exam Study Kit: Java Web Component Developer Certification
By Hanumant Deshmukh, Jignesh Malavia
List Price: $44.95
Price: $29.67 & eligible for FREE Super Saver Shipping on orders over $25. Details
Availability: Usually ships in 24 hours
Ships from and sold by Amazon.com
38 new or used available from $2.76
Average customer review:
Product Description
Aimed at helping Java developers, Servlet/JSP developers, and J2EE developers pass the Sun Certified Web Component Developer Exam (SCWCD), this guide covers all the important aspects of the Servlet and JSP technology including Design Patterns and Filters. Also covered are the installation of Tomcat and the basics of XML, and Exam Quick Prep for refreshing important concepts at the last minute. The accompanying CD includes JWebPlus, the exam simulator from Enthuware.com that contains three full size tests on the SCWCD pattern. More than 300 questions in the form of Quizlets, Review Questions, and JWebPlus are included.
——————————————————————————–
Product Details
Amazon Sales Rank: #201188 in Books
Published on: 2002-07
Format: Illustrated
Original language: English
Number of items: 1
Binding: Paperback
560 pages
——————————————————————————–
Editorial Reviews
Review
“Indispensable if you are studying to earn this certification or just getting your feet wet . . . the perfect reference.” — DiverseBooks.com
“The Bottom Line – A terrific study guide for the new Sun Certified Web Component Developer Certification (SCWCD).” — About.com
“Well-written and should act as a good reference.” — JavaPrepare
“Written in a very easy-to-read, conversational tone . . . an excellent resource . . . use this book as a resource even after the exam.” — JavaRanch.com
About the Author
Hanumant Deshmukh is a senior technical architect at Planet Pro, Inc., where he designs and develops distributed applications for Planet Pro clients. He develops Java certification software for his company Enthuware.com and manages JDiscuss.com, a site for Java certification aspirants. He lives in Iselin, New Jersey. Jignesh Malavia is a senior technical architect at SourceCode, Inc., where
he designs and develops distributed applications for SourceCode Inc clients. He is also actively involved with the projects at Enthuware.com and its affiliated site JDiscuss.com. He lives in Ardsley, New York.
——————————————————————————–
Customer Reviews
Outdated!
This book was good during it’s time, but now it is outdated. The book is designed for SCWCD 1.3, and did a great job covering all the topics. However, Sun Microsystem discontinued SCWCD 1.3 on December 2004. So, if you are like me, disappointed with head first books and looguide to be certified as fast as possible, do yourself a favor and buy the second edition of this book. You won’t regret it.
Best Test Preparation Material for SCWCD 1.3
This is not only a good book for SCWCD 1.3 exam, but also a good reference for web application development. I read this book thoroughly and took some mock exams available in the internet, then i appeared for the real exam. I got 98%. I would strongly recommend this book for customers to buy.
All you need
This book is all you need to pass the SCWCD Exam in the 1.3 version, I studied extra subjects in order to pass the 1.4 version.
Excellent book.
JavaBeat Book Store
Shopping Cart Product Details
Head First Servlets and JSP: Passing the Sun Certified Web Component Developer Exam (SCWCD)
By Bryan Basham, Kathy Sierra, Bert Bates
List Price: $56.00
Price: $44.05 & eligible for FREE Super Saver Shipping on orders over $25. Details
Availability: Usually ships in 24 hours
Ships from and sold by Amazon.com
54 new or used available from $3.11
Average customer review:
Product Description
Imagine a world without eBay…unthinkable! How would you get that Farrah Fawcett poster, retired Beanie Baby, or first-edition pet rock? Handling over a gazillion (OK, we exaggerate–it’s actually only 1 billion) page views each day, server-side Java makes eBay work.
Isn’t it time you learned the latest (J2EE 1.4) versions of Servlets & JSPs? This book will get you way up to speed on the technology you’ll know it so well, in fact, that you can pass the Sun Certified Web Component Developer (SCWCD) 1.4 exam. If that’s what you want to do, that is. Maybe you don’t care about the exam, but need to use Servlets & JSPs in your next project. You’re worguide on a deadline. You’re over the legal limit for caffeine. You can’t waste your time with a book that makes sense only AFTER you’re an expert (or worse one that puts you to sleep).
No problem. Head First Servlets and JSP’s brain-friendly approach drives the knowledge straight into your head (without sharp instruments). You’ll interact with servlets and JSPs in ways that help you learn quickly and deeply. It may not be The Da Vinci Code, but quickly see why so many reviewers call it “a page turner”. Most importantly, this book will help you use what you learn. It won’t get you through the exam only to have you forget everything the next day.
Learn to write servlets and JSPs, what makes the Container tick (and what ticks it off), how to use the new JSP Expression Language (EL), what you should NOT write in a JSP, how to write deployment descriptors, secure applications, and even use some server-side design patterns. Can’t talk about Struts at a cocktail party? That’ll change. You won’t just pass the exam, you will truly understand this stuff, and you’ll be able to put it to work right away.
This new exam is tough–much tougher than the previous version of the SCWCD. The authors of Head First Servlets and JSP know: they created it. (Not that it EVER occurred to them that if they made the exam really hard you’d have to buy a study guide to pass it.) The least they could do is give you a stimulating, fun way to pass the thing. If you’re one of the thousands who used Head First EJB to pass the SCWCD exam, you know what to expect!
——————————————————————————–
Product Details
Amazon Sales Rank: #50488 in Books
Published on: 2004-07
Format: Illustrated
Original language: English
Number of items: 1
Binding: Paperback
886 pages
——————————————————————————–
Editorial Reviews
About the Author
Bryan Basham is a Sun Certified Developer for Java 2 Platform and one of the key designers of the Sun Certified Web Component Developer exam. He is also a course developer for Sun Microsystems concentrating on Java technology and Object-Oriented design principles. Bryan has worked on a large range of Java courses, including Sun’s core Java programming course, the JDBC course, a J2EE overview seminar, the Servlet/JSP course, and the OO Analysis and Design course.
Kathy Sierra has been a master Java trainer for Sun Microsystems, teaching Sun’s instructors how to teach the latest Java technologies. She is the founder of one of the largest java community websites in the world, javaranch.com . She is also a key member of the development team for the Sun Certified programmer exam and has developed dozens of applications to demonstrate Java technology.
Bert Bates is a 20-year software developer, a Java instructor, and a co-developer of Sun’s upcoming EJB exam (Sun Certified Business Component Developer). His background features a long stint in artificial intelligence, with clients like the Weather Channel, A&E Network, Rockwell, and Timken.
——————————————————————————–
Customer Reviews
Barely Useful for Certification
I used Kathy Sierra’s “Sun Certified Programmer & Developer for Java 2 Study Guide” to pass both of those certification exams with flying colors. Although the overly jokey format of that book was more cringe-worthy than engrossing, the book contained solid information and was somewhat easy to review, reference, and study with.
I already have a solid worguide knowledge of servlets and JSPs, so I wanted to find a book that was geared only for certification. I was very hesitant about purchasing this SCWCD book after seeing that it followed the useless Head First approach to teaching, but hoped that the actual information in the book would outweigh the shortcomings. I read the entire book, and took every practice exam but still came away thoroughly disappointed.
PROS:
- The authors are also involved in writing the actual exam, so they have solid observations about the specific types of questions you will see, and offer tips on areas requiring memorization, as well as possible trick questions.
CONS:
- The book tries to be both a “learn servlets and JSP” text and a “prepare for certification” text. These objectives are completely at odds with each other, and the book loses focus when trying to fulfill both. The certification thrust will confuse new developers just learning JSPs, and the learning thrust is extra fluff to wade through for the cert-minded (900 pages of fluff at that).
- Even at 900 pages, the book is not a comprehensive certification source. There were several instances where I encountered mock exam questions that had not been discussed in the text. Instead, the answer key referred me to the Sun specifications (free online). For example, the text devotes 2 pages to RequestDispatchers, and then poses 2 mock questions about query strings that aren’t even covered. Later, the book provides a list of the commonly used ServletRequest methods along with the note “// MANY more methods”. Of course, one of these unlisted methods is the answer to a mock question at the end of the book.
- There is no way to quickly review the contents of each chapter. I don’t necessarily need a reference book, but the Head First approach takes you on several paths through related information, but doesn’t step back and show you all the information at once. Some sub-chapters have bullet lists, but this is not consistent throughout.
- The humor is only funny in a “look at me, I’m funny!” way. Tech books can use subtle humor effectively (see Russ Olsen’s “Design Patterns in Ruby”) but the humor here really turned me off.
- The Head First approach adds a lot of fat that could have been trimmed. For example, the book takes you through 13 pages of examples on dynamic tag attributes before informing you that the approach is tedious and incorrect (the last page tells you to use the built-in DynamicAttributes interface instead).
- Typos abound, not all of which are in the published errata. Particularly egregious were the mock questions with completely wrong answers. The online errata showed nothing wrong, but loading the online copy of the book on the Safari O’Reilly site showed the answers magically correct. Another multiple choice question doesn’t even have the options listed.
- For me, the Head First approach to teaching (visual learning, conversational style, keeping the reader’s attention, and touching the reader’s emotions) fails completely. Your mileage may vary, but a clear, concise lesson on these topics would have been much more effective than endless pages of bad cartoons and captioned kung fu movie screen caps.
As a comparison, I also read “Professional SCWCD Certification” by Jepp and Dalton. This book was perfect — concise, easy to consult and review, and covering everything in a tome just 1/3 the size of the Head First book. Unfortunately, it covers an older edition of the SCWCD and does not cover SimpleTags, EL, or Tag files (the Filters section is smaller too). If they ever release a new edition, I’d recommend it with 5 stars in an instant.
Bottom Line: The fact that the authors of this book can give you an “inside look” at the style of the actual exam is all that keeps this book afloat as a certification text. Unfortunately, there aren’t many other options that cover the most recent iteration of the exam. I got an 89% on the exam, but I equate this more to the free materials on JavaRanch and my pre-existing knowledge than this book.
Great Intro into Servlets and JSPs
Head First Servlets and JSP: Passing the Sun Certified Web Component Developer Exam (Brain-Friendly Guides)
Great introductory book into Servlets and JSPs. The authors didn’t assume the reader knew much about web applications or what goes on in the background. With 1 year of Java knowledge/experience, I found this book easy to follow with the way it explained how things worked step by step, and by effectively using excellent diagrams and examples.
I bought this book to learn about Servlets and JSPs, not necessarily to take the certification exam; and as such I would recommend this book to anyone who has little or no knowledge of servlets and JSPs, and wants to dive into the subject.
Awesome
Book is very good you have to get use to this kind of book. It is different from others. It gets to the point.