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Review title: buy this and Heads First Design Patterns
Product review: This is as much a design book as it is a patterns book. Most people don't understand object-orientation. This book will teach it to you by using patterns as guidelines. It then goes further - teaching great ways of doing analysis (Analysis Matrix and Commonality-Variability-Analysis) and translating that into design. The book unfortunately only covers about half of the gang of four patterns - but that is by design (no pun intended). The book is really about the lessons underneath that patterns and for that it doesn't need all of the patterns. Use the Head First Design Patterns book to learn all of the patterns and to see another explanation of object-orientation. Forget the GoF book which is a bit obsolete by now.These two are a great pair and are all you need to learn patterns and great OO.
