摘要：
Software Design Patterns - Observer Pattern, Command Pattern Observer Pattern - For Broadcasting Messages to Subscribers Needs to “Notify/update ALL i 阅读全文
摘要：
Benefits of Design Patterns Design patterns enable large-scale reuse of software architectures and also help document systems Patterns explicitly capt 阅读全文
摘要：
Single Responsibility Principle (SRP) Just because you can, doesn't mean you should. Example SPR: The design violates SRP. Class Rectangle has two res 阅读全文