November 29, 2004
"Head First Design Patterns": An Approach to Design Patterns That'll Go Straight to Your Head
Sebastopol, CA--Imagine if, after putting together a list of the most
tedious tasks and aggravating problems you needed to resolve in a given
week, you discovered that someone else had already solved your problems.
And not just solved them, but solved them in a way that is practical and
elegant and that provides you with a springboard for solving later
problems. You probably wouldn't try to solve them all over again. The
idea behind design patterns is that frequently the challenges you're
working on have already been tackled by other developers. Using design
patterns, you can take advantages of the best practices and experience of
others, so that you can spend your time on...something else. Why, then,
does the mention of design patterns elicit groans from so many developers?
Because, as is often the case, it's a wonderfully simple idea that seems
devilishly slippery to grasp. Unless you go at it head first.
Head First Design Patterns (O'Reilly, US $44.95) by Eric Freeman and
Elisabeth Freeman, with Kathy Sierra and Bert Bates--creators of the Head
First series--takes a different approach. The Head First authors know that
you want to learn about design patterns in a way that won't put you to
sleep: you want to learn about the patterns that matter--why to use them,
when to use them, how to use them (and when NOT to use them). But you
don't just want to see how patterns look in a book; you want to know how
they look "in the wild"--in their native environment. In other words, in
real-world applications. You also want to learn how patterns are used in
the Java API, and how to exploit Java's built-in pattern support in your
You also want to learn the real OO design principles and why everything
your boss told you about inheritance might be wrong (and what to do
instead). You want to learn how those principles will help the next time
you're up a creek without a design pattern paddle.
Most importantly, you want to learn the "secret language" of design
patterns so that you can hold your own with your co-worker (and impress
cocktail party guests) when he casually mentions his stunningly clever use
of Command, Facade, Proxy, and Factory in between sips of a martini.
You'll easily counter with your deep understanding of why Singleton isn't
as simple as it sounds, how the Factory is so often misunderstood, or on
the real relationship between Decorator, Facade, and Adapter.
If you've ever seen a Head First book, then you'll know what to expect: a
visually rich format designed for the way your brain works. Using the
latest in neurobiology, cognitive science, and learning theory, Head
First Design Patterns loads patterns into your brain in a way that
Advance praise for Head First Design Patterns:
"I received the book yesterday and started to read it...and I couldn't
stop. This is definitely tres 'cool.' It is fun, but they cover a lot of
ground and they are right to the point. I'm really impressed."
--Erich Gamma, IBM Distinguished Engineer, and coauthor of "Design
"I feel like a thousand pounds of book have just been lifted off my head."
--Ward Cunningham, inventor of the Wiki and founder of the Hillside Group
"This book is close to perfect, because of the way it combines expertise
and readability. It speaks with authority and it reads beautifully."
--David Gelernter, Professor of Computer Science, Yale University
"One of the funniest and smartest books on software design I've ever read."
--Aaron LaBerge, VP Technology, ESPN.com
Further reviews can be found here.
Head First Design Patterns
Eric Freeman and Elisabeth Freeman with Kathy Sierra and Bert Bates
ISBN: 0-596-00712-4, 638 pages, $44.95 US, $66.95 CA
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