Showing posts with label j2ee. Show all posts
Showing posts with label j2ee. Show all posts

3/05/2012

Sun Certified Enterprise Architect for Java EE Study Guide (Exam 310-051) (Certification Press) Review

Sun Certified Enterprise Architect for Java EE Study Guide (Exam 310-051) (Certification Press)
Average Reviews:

(More customer reviews)
I bought this book despite the other poor reviews on amazon. I was hopeful that the other reviewers were just being too harsh. But after reading the first couple chapters, it became clear that the other reviewers were being charitable. This book is filled with errors and is poorly organized.
The worst error I've spotted is on p16. The book says that "The current version of the SCEA exam tests your knowledge of J2EE 1.3 API." In fact, at the time I'm writing this review, and certainly at the time they wrote the book, the current version of the exam is still testing the J2EE 1.2 API. That is pretty bad when the course authors don't even know which version of J2EE they should be writing about. It also would be quite detrimental and confusing to readers who would assume they should be studying topics that were added in the J2EE 1.3 version.
In many places, the book also does not seem to be well synched with the topics, approach, and vocabulary of the exam. Some chapters seemed almost irrelevant to the exam.
If you buy this book, you should only consider it a supplement to help give you a general idea of what you need to study. I would suggest doing most of your studying with other books or resources.

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The Best Fully Integrated Study System Available

With hundreds of practice questions and hands-on exercises, Sun Certified Enterprise Architect for Java EE Study Guide covers what you need to know--and shows you how to prepare--for this challenging exam.

100% complete coverage of all official objectives for exam 310-051
Inside the Exam sections in every chapter highlight key exam topics covered
Simulated exam questions match the format, tone, topics, and difficulty of the real exam

Covers all the exam topics, including:

Basic Principles of Enterprise Architectures * Object-Oriented Design Using UML * Applicability of JEE Technology * Design Patterns * Legacy Connectivity * EJB and Container Models * Messaging * Internationalization and Localization * Security

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10/13/2011

JSP Examples and Best Practices Review

JSP Examples and Best Practices
Average Reviews:

(More customer reviews)
I am teaching myself server-side Java programming. After reading, using, and reviewing many books on Java server-side web development, I had found they fell into two categories: Beginner and advanced. The beginner books typically introduce a lot of bad coding practices, such as filling JSP pages with java code, or using outdated examples of Servlets that output HTML. After a few chapters of this, they jump to the Struts framework, thereby never helping the reader build good coding practices and skills.
The advanced books get quickly into frameworks like Struts, and also employ EJBs. EJBs are not needed in many web applications, where they introduce unneeded complexity. What I wanted but couldn't find was a good book that covered the middle ground: how to build applications based on JSPs and Servlets that demonstrate good design and coding practices, with a realistic sample application, and yet understandable for someone learning the J2EE technology.
When I found this book I was surprised to see that it concisely and clearly presented all the key topics I had hoped for. I found it by accident, because I never would have guessed from the scant 3 or 4 reviews on Amazon that it would be worth looking at.
Prerequisite knowledge for this book is basic Java skills and an introductory understanding of JSPs and Servlets. I liked this because so many beginner books spend a lot of time going over the basics. The book covers all the key intermediate-level topics you'll need to get started coding good Java web applications. This book goes beyond others I read in also showing how to use JUnit to do unit testing, and Ant to do application deployment. The author demonstrates these so clearly and simply that a person new to these tools will find it easy to follow and put to use.
Finally, the author finishes with taking the reader through how to build a basic but solid application framework that even the beginner to frameworks can follow. This framework is no Struts with its relatively steep learning curve. By the time the reader has got to the framework chapter he has learned what he needs to understand the framework. As if this were not enough, the author then shows how to deploy the framework, and then use it to build a sample application. All this is done in slim, concise, easily-to-follow chapters and code that is clearly and completely presented. You won't have to go hunting through the source code download or CD to research a bunch of code that is not illustrated in the book itself. It's all in the book.
A previous review rated this book low because he thought it didn't have a realistic application. I don't know what he is looking for exactly, but I thought the application was quite real enough in giving a fully functioning, realistic, web application. It is no super app, but neither is it a toy app. Again, it aims for the later novice to intermediate-level skill set. And I think it succeeds well.

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While most other books merely instruct on basic JSP and servlet development, JSP Examples and Best Practices gives you some of the best practices and design principles, enabling you to build scalable and extensible enterprise Java applications. And JavaServer Pages technology can be used to build complex enterprise applications in a highly re-usable manner.

This book takes basic JSP and applies sound architectural principles and design patterns, to give you the tools to build scalable enterprise applications using JSP. Further, this book covers features of the JSP 1.2 specification, including the standard filtering mechanism.


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10/11/2011

Core Security Patterns: Best Practices and Strategies for J2EE™, Web Services, and Identity Management Review

Core Security Patterns: Best Practices and Strategies for J2EE™, Web Services, and Identity Management
Average Reviews:

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This is the best book I ever had for Java security. This book talks everything you need to know about java security architecture and how to implement them with patterns. In addition to patterns, the book also recommends security bestpractices considerations for J2EE production, how to do proactive and reactive security assessments using well-defined checklists, security design case-study for portal. Undoubtedly, this book is very easy to understand, good code examples and nicely organized to support the needs of a Java developer. It is highly recommended for anyone wants to get involved with security architecture in J2EE applications and web services. If you are a Java guy..then go for it.

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Praise for Core Security Patterns
"Java provides the application developer with essential security mechanisms and support in avoiding critical security bugs common in other languages. A language, however, can only go so far. The developer must understand the security requirements of the application and how to use the features Java provides in order to meet those requirements. Core Security Patterns addresses both aspects of security and will be a guide to developers everywhere in creating more secure applications."

--Whitfield Diffie, inventor of Public-Key Cryptography

"A comprehensive book on Security Patterns, which are critical for secure programming."

--Li Gong, former Chief Java Security Architect, Sun Microsystems, and coauthor of Inside Java 2 Platform Security

"As developers of existing applications, or future innovators that will drive the next generation of highly distributed applications, the patterns and best practices outlined in this book will be an important asset to your development efforts."

--Joe Uniejewski, Chief Technology Officer and Senior Vice President, RSA Security, Inc.

"This book makes an important case for taking a proactive approach to security rather than relying on the reactive security approach common in the software industry."

--Judy Lin, Executive Vice President, VeriSign, Inc.

"Core Security Patterns provides a comprehensive patterns-driven approach and methodology for effectively incorporating security into your applications. I recommend that every application developer keep a copy of this indispensable security reference by their side."

--Bill Hamilton, author of ADO.NET Cookbook, ADO.NET in a Nutshell, and NUnit Pocket Reference

"As a trusted advisor, this book will serve as a Java developer™s security handbook, providing applied patterns and design strategies for securing Java applications."

--Shaheen Nasirudheen, CISSP,Senior Technology Officer, JPMorgan Chase

"Like Core J2EE Patterns, this book delivers a proactive and patterns-driven approach for designing end-to-end security in your applications. Leveraging the authors™ strong security experience, they created a must-have book for any designer/developer looking to create secure applications."

--John Crupi, Distinguished Engineer, Sun Microsystems, coauthor of Core J2EE Patterns

Core Security Patterns is the hands-on practitioner™s guide to building robust end-to-end security into J2EE' enterprise applications, Web services, identity management, service provisioning, and personal identification solutions. Written by three leading Java security architects, the patterns-driven approach fully reflects today™s best practices for security in large-scale, industrial-strength applications.

The authors explain the fundamentals of Java application security from the ground up, then introduce a powerful, structured security methodology; a vendor-independent security framework; a detailed assessment checklist; and twenty-three proven security architectural patterns. They walk through several realistic scenarios, covering architecture and implementation and presenting detailed sample code. They demonstrate how to apply cryptographic techniques; obfuscate code; establish secure communication; secure J2ME' applications; authenticate and authorize users; and fortify Web services, enabling single sign-on, effective identity management, and personal identification using Smart Cards and Biometrics.

Core Security Patterns covers all of the following, and more:

What works and what doesn™t: J2EE application-security best practices, and common pitfalls to avoid

Implementing key Java platform security features in real-world applications

Establishing Web Services security using XML Signature, XML Encryption, WS-Security, XKMS, and WS-I Basic security profile

Designing identity management and service provisioning systems using SAML, Liberty, XACML, and SPML

Designing secure personal identification solutions using Smart Cards and Biometrics

Security design methodology, patterns, best practices, reality checks, defensive strategies, and evaluation checklists

End-to-end security architecture case study: architecting, designing, and implementing an end-to-end security solution for large-scale applications


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10/07/2011

Mastering BEA WebLogic Server: Best Practices for Building and Deploying J2EE Applications Review

Mastering BEA WebLogic Server: Best Practices for Building and Deploying J2EE Applications
Average Reviews:

(More customer reviews)
I really like this book. It is not for beginners, and is not an "Intro to J2EE". However, for advanced developers, and especially those leaning towards the administation aspects of WebLogic Server, this book is an excellent resource.
The examples in this book are straighforward, and the accompianing discussion is well written and easy to follow.
A lot of discussions in this book cover advanced topics leaning towards deployment and administration (such as tuning JVMs, or understanding Thread usage), but there are some excellent discussions regarding architecture as well. There is not a lot of material discussing developing J2EE code.
This book should be a part of any advanced J2EE developers library, especially those using WebLogic (since so many of the examples are targeted towards that platform).

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Designed to show experienced developers how to become power developers with BEA WebLogic
Covers BEA WebLogic Server version 8.1 and earlier versions
A perfect companion to the bestselling book, Mastering Enterprise JavaBeans, Second Edition (0471-41711-4)
Companion Web site includes technology updates and links to related sites


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9/15/2011

Core J2EE Patterns: Best Practices and Design Strategies Review

Core J2EE Patterns: Best Practices and Design Strategies
Average Reviews:

(More customer reviews)
Having just completed the initial design and development phase of a J2EE web-based implementation of a major application vendor's product, I bought this book. I don't know whether I was trying to see what I could have done better or what I, hmmm, messed up?
A little history ' I have been in the application development field for 25 years, working up from being a coder to a consulting enterprise architect. Having worked with a lot of technologies over the years, I have noticed that while some things change every 18-36 months, some things don't change all that much. I didn't acknowledge this trend as 'patterns' because I called it experience.
I've bought a hundred books over the years, from the Martin books back in the 70's to Monson-Haefel in 2000. With very few exceptions, such as Alexander's Timeless Way of Building and a few others, they were trivial or excellently focused on a very small segment of what you need to know (such as EJB) to be a system architect. Or, in attempting to focus on the bigger picture, they show absolutely no practical detail, and in their own way, are useless.
Now, after all that BS, I get down to the book. This is an outstanding document of a large number of essential enterprise level patterns applied to the J2EE context. Just as Bruschmann's Pattern-Oriented Software Architecture, A System of Patterns took patterns that, by themselves, are trivial and combined them into architecturally significant frameworks; this book shows architectural patterns that are significant in the light of J2EE and Javasoft's Model 2 reference architecture.
Anybody that has worked with Model 2 knows that it is a naïve architecture. It uses practically every part of J2EE because it is there (remember that both were created by Sun) and the patterns of communication and service support really don't work robustly. You will have to significantly enhance the Controller, how the View gets data from the Model, exception handling and propagation, how services are provided and much more.
It seems that the authors of this book realize that. Look at the Front Controller, Service to Worker and Dispatcher View patterns. Check out how the Business Delegate, Session Façade and Composite Entity patterns work. For services, the Service Locator and Service activator patterns are significant. If you have any reservations about Entity Beans (more later), check out the Data Access Object.
If the View Helper, Composite View, Value Object, V.O. Assembler, Value List Handler are new to you, read this book. As an architect, they shouldn't be new.
On Entity Beans, I have to say that the authors did an excellent job. In providing patterns such as Composite Entity and DAO, they help to reduce the triviality of the 1.0 Entity Bean Specification. Within the Composite Entity, the Composite Entity Contains Coarse-Grained Object Strategy and the Composite Entity Implements Coarse-Grained Object Strategy may seem the same, but they are not. They are both powerful ways of leveraging Entity Beans. The Lazy Loading and Dirty Marker Strategies are excellent, also.
A few places in the book have what I believe are errors, or at least naïve statements. The introduction to Entity Beans reads like a java marketing hack wrote it. If you've worked with Entity Beans, you might have run into the fact that they are a relatively simple solution to what can be an extremely complex problem. Many people do not even use them. I usually don't. The Synchronizer Token is interesting, but it seems to assume a single VM on a single machine. What happens to this token when you are stateless, in a multiple VM, multiple node load-balanced cluster? You have to address the location transparent, session state management service scheme before you can deal with this.
Look at the bad practices. I did, with one hand over my eyes! Luckily, I wasn't guilty. These are things that should be obvious to you as a system architect. If not read them and remember them.
All in all, this is one of the best books I have read this decade! In terms of practicality, this is the J2EE architecture book to buy.

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Sun Microsystems' Java 2 Platform, Enterprise Edition (J2EE) has become the platform of choice for Web-centric distributed enterprise application development. Expert consultants from the Sun Java Center have been helping customers build J2EE-based solutions since the earliest days of the technology, focusing primarily on up-front design and architecture. Along the way, they've identified powerful J2EE design patterns that lead to applications with superior performance, scalability, and robustness. This book brings those design patterns together, sharing Sun's best practices for development with Java Server Pages (JSP), Servlets, EJB, and other J2EE technologies. It presents a complete catalog of J2EE patterns encapsulating proven and recommended designs for common J2EE-related problems, organized into presentation tier, business tier and integration tier solutions. Presentation tier patterns describe solutions involving JSP and servlets; business tier patterns describe solutions involving EJB; and integration tier patterns describe solutions involving JDBC and Java Messaging Service (JMS). The book also identifies bad practices to be avoided.Finally, it presents an end-to-end multi-tier case study covering every stage of enterprise development.

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