Design Patterns Explained: A New Perspective on Object-Oriented Design

From Artificial Intelligence to Patterns to True Object Orientation

My journey into design patterns had a different starting point than Alan's but we have reached the same conclusions:

• Pattern-based analyses make you a more effective and efficient analyst because they let you deal with your models more abstractly and because they represent the collected experiences of many other analysts.

• Patterns help people to learn principles of object orientation. The patterns help to explain why we do what we do with objects.

I started my career in artificial intelligence (AI) creating rule-based expert systems. This involves listening to experts and creating models of their decision-making processes and then coding these models into rules in a knowledge-based ...