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Design Patterns: Elements of Reusable Object-Oriented Software Hardcover – Oct 31 1994
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Design Patterns is based on the idea that there are only so many design problems in computer programming. This book identifies some common program-design problems--such as adapting the interface of one object to that of another object or notifying an object of a change in another object's state--and explains the best ways (not always the obvious ways) that the authors know to solve them. The idea is that you can use the authors' sophisticated design ideas to solve problems that you often waste time solving over and over again in your own programming.
The authors have come up with some ingenious ways to solve some common vexations among object-oriented programmers. Want to build a page-layout program that embeds inline images among characters of various sizes? How about building a program that converts files of one format to another? Chances are, some programmer already has thought of a better solution than you will and the recipes you need are here. Solutions are presented in generalised diagrams of data and logic structures. The idea is that you can take the concepts presented here and adapt them--in whatever language you use--to your individual situation. You may have to read some of the chapters several times before you fully understand them, but when you find a solution in this book, it will make your job easier and your results more elegant. --Jake Bond
From the Inside Flap
This book isn't an introduction to object-oriented technology or design. Many books already do a good job of that. This book assumes you are reasonably proficient in at least one object-oriented programming language, and you should have some experience in object-oriented design as well. You definitely shouldn't have to rush to the nearest dictionary the moment we mention "types" and"polymorphism," or "interface" as opposed to "implementation" inheritance.
On the other hand, this isn't an advanced technical treatise either. It's a book of design patterns that describes simple and elegant solutions to specific problems in object-oriented software design. Design patterns capture solutions that have developed and evolved over time. Hence they aren't the designs people They reflect untold redesign and recoding as developers have struggled for greater reuse and flexibility in their software.Design patterns capture these solutions in a succinct and easily applied form.
The design patterns require neither unusual language features nor amazing programming tricks with which to astound your friends and managers. All can be implemented in standard object-oriented languages, though they might take a little more work than ad hoc solutions. But the extra effort invariably pays dividends in increased flexibility and reusability.
Once you understand the design patterns and have had an "Aha!" (and not just a "Huh?") experience with them, you won't ever think about object-oriented design in the same way. You'll have insights that can make your own designs more flexible, modular, reusable, and understandable - which is why you're interested in object-oriented technology in the first place, right?
A word of warning and encouragement: Don't worry if you don't understand this book completely on the first reading. We didn't understand it all on the first writing! Remember that this isn't a book to read once and put on a shelf. We hope you'll find yourself referring to it again and again for design insights and for inspiration.
This book has had a long gestation. It has seen four countries, three of its authors' marriages, and the birth of two (unrelated) offspring.Many people have had a part in its development. Special thanks are due Bruce Andersen, Kent Beck, and Andre Weinand for their inspiration and advice. We also thank those who reviewed drafts of the manuscript: Roger Bielefeld, Grady Booch, Tom Cargill, Marshall Cline, Ralph Hyre, Brian Kernighan, Thomas Laliberty, Mark Lorenz, Arthur Riel, Doug Schmidt, Clovis Tondo, Steve Vinoski, and Rebecca Wirfs-Brock. We are also grateful to the team at Addison-Wesley for their help and patience: Kate Habib, Tiffany Moore, Lisa Raffaele, Pradeepa Siva, and John Wait. Special thanks to Carl Kessler, Danny Sabbah, and Mark Wegman at IBM Research for their unflagging support of this work.
Last but certainly not least, we thank everyone on the Internet and points beyond who commented on versions of the patterns, offered encouraging words, and told us that what we were doing was worthwhile. These people include but are not limited to Ran Alexander, Jon Avotins, Steve Berczuk, Julian Berdych, Matthias Bohlen, John Brant, Allan Clarke, Paul Chisholm, Jens Coldewey, Dave Collins, Jim Coplien, Don Dwiggins, Gabriele Elia, Doug Felt, Brian Foote, Denis Fortin, Ward Harold, Hermann Hueni, Nayeem Islam, Bikramjit Kalra, Paul Keefer, Thomas Kofler, Doug Lea, Dan LaLiberte, James Long, Ann Louise Luu, Pundi Madhavan, Brian Marick, Robert Martin, Dave McComb, Carl McConnell, Christine Mingins, Hanspeter Mossenbock, Eric Newton, Marianne Ozcan, Roxsan Payette, Larry Podmolik, George Radin, Sita Ramakrishnan, Russ Ramirez, Dirk Riehle, Bryan Rosenburg, Aamod Sane, Duri Schmidt, Robert Seidl, Xin Shu, and Bill Walker.
We don't consider this collection of design patterns complete and static; it's more a recording of our current thoughts on design. We welcome comments on it, whether criticisms of our examples, references and known uses we've missed, or design patterns we should have included. You can write us care of Addison-Wesley, or send electronic mail to email@example.com. You can also obtain softcopy for the code in the Sample Code sections by sending the message "send design pattern source" to firstname.lastname@example.org.
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Top Customer Reviews
However, I would like to say something to those readers who are totally new to design patterns and C++/Smalltalk -- please do not be intimidated by the seemingly terse, dry and difficult style of this book. Since I myself am new to the world of design patterns, I would like to share with you my own experience and hope you can make a better decision when you pick your design patterns book.
"Design Patterns" is the classic text; its style is academic-oriented, rigorous, and terse. Unlike most popular computer books, you will find reading this book takes a lot of thinking, for each paragraph or even each sentence. Most examples used in this book are adapted from real world systems popular many years ago, so you will likely find you're not familiar with them at all. Moreover, some examples are related to GUI programming, so if you're mainly programming for backend, you will probably feel it's tough to understand some of the examples. Most code example in the book is written in C++ (some in Smalltalk.) If you're a Java programmer and have limited knowledge in C++, it might take you some time to guess what certain C++ syntax means.
These all seem to be negative comment, but my conclusion is to the contrary -- this is the BEST book in the area, and you should read it despite of all the issues I mentioned above. I started my design pattern learning by using a couple of other books, such as "Java Design Patterns: A Tutorial", "Design Patterns Explained: A New Perspective on Object-Oriented Design", and "Applied Java Patterns".Read more ›
Software patterns are a way of preventing the programmer from reinventing the wheel. Many of the patterns discussed in this book are refinements of procedures that have been tried and tested thousands of times over the years. The idea is that by studying these prototypes, we can save ourselves time by standing on the shoulders of those noble computer scientists who came before us. And it really works too. Reading about these patterns instantly drove into my head all the places in the past where I should have been using an elegant pattern as described here, rather than the ramshackle, jury-rigged solution I created. And I even learned more about the patterns that I was already familiar with. Every Java programmer knows about, say, Iterator, but I found it fascinating to read about how powerful that little routine can be.
The book is divided into three main forms of patterns: creational patterns, structural patterns and behavioral patterns. The patterns discussed span all portions of an object's life (the book is geared towards Object-Oriented Programming). We learn the best way of creating objects, the best way to have them communicate with other objects, and the best way to have them running their own algorithms.Read more ›
Each pattern opens up another facet of Object Oriented programming. Once you are done with all the patterns, and then, done with them again, and then, done with them again you feel the euphoria of having understood something so abstract, but at the same time so tangible and visible around us. Be it Java, C++ or any other OO language, your design ideas and orgranizations become incredibly elegant and simple. This, is something you learn and appreciate only if you have gone through this book. And, here, by "done with them", I mean a thorough study, sample implementations, production implementations and the ability to recognize that pattern with its subtle variations.
The GoF book ( Gang of Four ) is structured as a manual of sorts, and it requires some orderly study. Look up Design Patterns Study Group on Google. The study orders suggested there are worth mulling over. The simple patterns are easy enough to understand ( Factory method and the like ) and the complex ones ( Visitor ) can be digested with the understanding of the basic patterns.
Again, at the end of the book, ( there is so end to this book, though ) you might actually end up mastering OO coding.
Couple of possible criticisms on this book is that you begin to think in patterns for every problem. Which might not be entirely good, and this book doesnt encompass the full world of pure OO patterns ( collecting parameter, for example ). But its still THE book to start with.
It also helps that this book has become a standard of sorts and the terms and jargon presented in this book are highly visible in the OO design and programming world.
Worth a Buy, Worth a dozen reads.
Most recent customer reviews
Great book, seminal. Though some of the patterns have become outdated for more modern approaches. The knowledge of them is useful.Published 2 months ago by Amazon Customer
A classic for anyone working in software development that uses object-oriented paradigm.Published 7 months ago by Eric Parent
A classic, must-to-have, and worth to keep book for all CS professionals and students. It's still tasty for me.Published 8 months ago by Hong Li
Came in a great state, much cheaper than what the school was selling it for.
A must for everyone in Software Engineering.
Outlines solutions to common design problems and and helps one build a repository of design ideas for most situations.Published on June 15 2009 by Simardeep Ahuja
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