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  • Sundararajan Ramasamy thinks this is interesting:

Class patterns deal with relationships between classes and their subclasses. These relationships are established through inheritance, so they are static—fixed at compile-time. Object patterns deal with object relationships, which can be changed at run-time and are more dynamic. Almost all patterns use inheritance to some extent


Cover of Design Patterns: Elements of Reusable Object-Oriented Software


Pattern Classification based on Scope