This chapter introduces the concept of design patterns.
• Discusses the origins of design patterns in architecture and how they apply in the discipline of software design.
• Examines the motivations for studying design patterns.
Design patterns are part of the cutting edge of object-oriented technology. Object-oriented analysis tools, books, and seminars are incorporating design patterns. Study groups on design patterns abound. It is often suggested that people learn design patterns only after they have mastered basic object-oriented skills. I have found that the opposite is true: ...