A software developer must factor the system's entities into classes whose public interfaces aren't overly complex, establish relationships among classes, expose inheritance hierarchies, and more. What is a design pattern?ĭesigning reusable object-oriented software that models an existing system is genuinely challenging. Finally, I'll classify and summarize the most-used software design patterns that have been discovered and documented through the past couple of decades. I'll also discuss the history of design patterns, and anti-patterns. ![]() ![]() In this part I'll introduce the conceptual framework of design patterns and walk through a demonstration of evaluating a design pattern for a particular use case. This article launches a three-part series on design patterns. Learning how to identify and work with reusable software components (occasionally referred to as software integrated circuits) is one strategy. Numerous strategies have been devised to simplify and reduce the costs of designing software, especially in the area of maintenance.
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