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Design patterns form a cohesive language that can be used to describe classic solutions to common object oriented design problems. These patterns enable us to discuss systems of objects as quasi-encapsulated entities. By using design patterns to solve programming problems, the proper perspective on the design process can be maintained. These pattern discussions, except for the Null and Model-View-Controller patterns are adapted from the classic text, Design Patterns by Gamma, Helm, Johnson and Vlissides (Addison Wesley Longman, 1995. ISBN 0-201-63361-2). Anyone serious about learning object oriented programming should own this book. |