Design Patterns Explained: A New Perspective on Object-Oriented Design (2nd Edition) (Software Patterns Series)

Average customer rating:

should be called "Design Explained"

Recommended for anyone new to patterns

Best introduction to patterns by far!!

A valuable resource for developers and architects

describes a few key patterns for beginners

Design Patterns Explained: A New Perspective on Object-Oriented Design (2nd Edition) (Software Patterns Series)
Alan Shalloway , and James Trott
Manufacturer: Addison-Wesley Professional
ProductGroup: Book
Binding: Paperback

Object-Oriented Design | Software Design, Testing & Engineering | Programming | Computers & Internet | Subjects | Books
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ASIN: 0321247140

Customer Reviews:

should be called "Design Explained".......2007-07-14

This book is great. It goes way beyond patterns. It starts with what design patterns are and the main principles behind them (coupling, cohesion, testability, ...). It does this in an interesting manner. We first solve a problem in the way we most likely would. The book then takes us through patterns and shows us a couple of better solutions using patterns and other techniques discussed in the book that are consistent with patterns.

The book also discusses the motivations of the GoF patterns - they manage variation in our problem domain. Variations in our problem domain (i.e., changes) is what makes our life as programmers difficult.

Then the killer- the authors talk about two techniques they use (one in analysis - the analysis matrix; and one in design - commonality - variability analysis) which are awesome. These techniques go way beyond patterns but relate to patterns which is why I guess they are in this book and not in a general design book (which is where they could very well be).

What's also interesting is throughout the book they talk about how patterns relate to eXtreme Programming which gives insights into both.

A must buy!

Recommended for anyone new to patterns.......2007-01-18

Although usable as a reference, this book has immense value to anyone new to patterns willing to give a cover to cover read. This book is a great complement to the original Gang Of Four book (which is in need of some touching up). The authors try to offer some insight into places where GOF was lacking. The sections on modular decomposition and principles of applying patterns provide a gateway into the world of effectively applying patterns in your projects.

Finally, I appreciate the authors' use of a uniform case study throughout the book to solidify the intent of a pattern through useful application.

Best introduction to patterns by far!!.......2006-11-27

Whilst the 'GoF Book'(Design Patterns: Elements of Reusable Object-Oriented Software) is the bible of patterns, this is undoubtably the Magna Carta of patterns. It should rather be called 'Design Patterns for mere mortals'.

I found this book a true pleasure to read, and recommend it above the original GOF book. It really makes patterns incredibly easy to understand and apply in the right context, instead of just blindly using them because they are the next cool thing in Software Engineering.

Whilst the 'GoF book' is still a vital book, it is more of reference than something that should be read cover-to-cover. Buy this book first, and then get the 'GoF Book', once you have read this book.

A valuable resource for developers and architects.......2006-09-28

For any developer or architect, this book is a great reference guide for strong object-oriented programming design. The solutions described in this book are applicable for numerous business problems today, as they should be leveraged in enterprise applications.

I read this book with no design pattern knowledge, but any developer who has strong OO skills should be able to pick the concepts up quickly.

describes a few key patterns for beginners .......2006-09-20

Design patterns are a key concept for much of programming design. Here, Shalloway focuses on when you want to implement object oriented code. Many useful design patterns are given. Including such well known ones as the Strategy Pattern and the Bridge Pattern. Typically, each explained pattern gets a chapter of its own. To provide a detailed walkthrough. Handy if you're still new to the overall concept of patterns. This does mean that there really aren't that many patterns covered in depth. Less than 20. But these are the main ones for beginners to appreciate and use.

There are more advanced books that describe a fuller list of patterns. These can be deferred for many readers.

Design Patterns Explained: A New Perspective on Object-Oriented Design

Average customer rating:

Where's the complete code of this book?
An Excellent Tutorial
Best design patterns book (after gof)
Second Edition a disappointment
Opened my eyes to the full potential of patterns

Design Patterns Explained: A New Perspective on Object-Oriented Design
Alan Shalloway , and James Trott
Manufacturer: Addison-Wesley Professional
ProductGroup: Book
Binding: Paperback

Systems Analysis & Design | Computer Science | Computers & Internet | Subjects | Books

General | Computers & Internet | Subjects | Books

General | Operating Systems | Computers & Internet | Subjects | Books

General | Software | Computers & Internet | Subjects | Books

Look Inside Computer Books | Trip | Specialty Stores | Books
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ASIN: 0201715945

Customer Reviews:

Where's the complete code of this book?.......2006-01-25

I did not find them on http://www.netobjectives.com/dpexplained. I posted this issue on its forum, but nobody replied during 3 weeks. so i came here asking for help. could anyone help me? thanks

An Excellent Tutorial.......2006-01-15

This book has had a lasting positive influence on the way that I approach software design. What I liked most about the book is the way that it uses a single software design example that evolves as the requirements change. Each design pattern is introduced in context as a better solution to a problem than the original design. What may be even more valuable in the long run is that the authors distill commonalities among the patterns into several heuristics for software design: find what varies and encapsulate it, favor composition over inheritance, design your objects to be entities with well-designed responsibilities instead of just "smart data", etc. The heuristics that I mentioned may seem like empty phrases, or if you're experienced enough, common sense, but by the end of the book you will be able to visualize exactly what those phrases mean in practice and visualize the architecture of a design that conforms to the principles.

The book's strength can also be its weakness, depending on your point of view. Since it endeavors to SHOW the reader how design patterns are encountered in practice instead of to simply TELL the reader about them, at least one developer that I know feels that the book is somewhat repetitive and not enough "to the point". The book may not be for you if you prefer terse technical documentation. Also, you should know that not all of the GoF patterns are discussed. With those criticisms in mind, I'd like to point out in response to previous reviewer JavaIreland that if you DO find yourself coming back to this book, I believe that it has failed in its mission. I do not refer regularly to the book, but that is because the book did such a good job of teaching me the principles underlying design patterns that I rarely need to refer to the specific patterns.

Best design patterns book (after gof).......2005-09-20

After having purchased and read over a half dozen design patterns books, I'd have to say that (besides the original gof), this is the best of the bunch. It always helps to get more than one perspective on a topic, so if you're into patterns, get the original gof, and this one.

Second Edition a disappointment .......2005-08-22

I like the way this book teaches the bridge pattern. I liked the first edition as a stop-gap. I had anticipated that the second edition would beef the book up in several areas - it didn't. My main problem with this book is that it doesn't stand the test of time. I do not find myself coming back to it.

Opened my eyes to the full potential of patterns.......2005-01-14

I've been coding for 10 years. I only use object oriented languages (C++, Java or C#). I have read the classic Design Patterns by Erich Gamma etc.. It is a wonderful reference and primer for design patters. However, Design Patterns Explained takes the foundation laid by Gamma and show you how to practically apply it to code. The keyword I would give this book is practical. The ideas presented revolutionized the way I code. Everytime I find myself copy and pasting logic I think back to what this book taught me and I find a way to abstract/generalize the logic so that I only have one copy of it. This pays tremendous dividends in development time and maintanance. Now that Java and C# are adding templates I will be able to do even more.

My only caveat is that this book is not for beginners. If you don't know how to program or you haven't programmed for long this book will fly right over your head.

Average customer rating:

Design Patterns Explained: A New Perspective on Object-Oriented Design,
ALAN TROTT, JAMES J. SHALLOWAY
Manufacturer: Addison-Wesley Professional
ProductGroup: Book
Binding: Paperback
ASIN: B000OUEJBW

Book Description

Multidisciplinary economics deliberately uses the insights and approaches of other disciplines and examines what consequences their contributions have for existing economic methods, theories and solutions to economic problems. Multidisciplinary economists should be at home in their own discipline and meet the high international standards of economic teaching and research that the discipline has developed. At the same time they should be able to recognise the limits of economics and be willing to open up new horizons by following new, discipline-transcending paths on which new insights into the analysis and solutions of economic problems can be found in collaboration with representatives of other disciplines. As a result of this search, economic methods and theories may have to be adjusted in such a way that they take insights from other disciplines into account. They may even have to be replaced by methods and theories that have been developed by other disciplines.

Book Description

Ultimate success in exploiting the genetic capabilities of plants to grow in nutrient-stressed environments of the semi-arid tropics (SAT) requires a holistic view of food systems to ensure that genetic selections for improved yields on nutrient-poor soils will actually be adopted by farmers. This book sets out to address the important issue of how physiological mechanisms of nutrient uptake can best be combined with genetic options to improve the adaptation of crops to low-nutrient availability, thereby enhancing productivity of nutrient poor soils in the semi-arid tropics. The book examines (i) the sustainability of breeding for low-nutrient environments from the viewpoint of three interrelated disciplines; physiology, breeding, and socio-economics, (ii) candidate mechanisms and physiological traits to enhance uptake and utilization efficiencies, (iii) genetic approaches for manipulation of crop plants to enhance root exudation and access nutrients in the rhizosphere, and (iv) field practices and farmers' preferences for crop varieties grown in low-nutrient environments. Finally, the role of modelling in improving nutrient efficiency in cropping systems, recommendations for future research needs and strategies were highlighted. Attended by 50 international participants, this book is the outcome of the workshop held at ICRISAT-India during 27-30 September 1999 to mark the culmination of the Government of Japan/ICRISAT Project.