摘要：
A structural design pattern proposes a way of composing objects to provide new functionality. • The adapter pattern The adapter pattern is a structura
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摘要：
Creational design patterns deal with different aspects of object creation. Their goal is to provide better alternatives for situations where direct ob
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摘要：
• Single responsibility principle (SRP) • Open-closed principle (OCP) It emphasizes that software entities, such as classes and modules, should be ope
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