O'Reilly logo

Design Patterns: Elements of Reusable Object-Oriented Software by John Vlissides, Ralph Johnson, Richard Helm, Erich Gamma

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Foreword

All well-structured object-oriented architectures are full of patterns. Indeed, one of the ways that I measure the quality of an object-oriented system is to judge whether or not its developers have paid careful attention to the common collaborations among its objects. Focusing on such mechanisms during a system’s development can yield an architecture that is smaller, simpler, and far more understandable than if these patterns are ignored.

The importance of patterns in crafting complex systems has been long recognized in other disciplines. In particular, Christopher Alexander and his colleagues were perhaps the first to propose the idea of using a pattern language to architect buildings and cities. His ideas and the contributions of others ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required