Both have helped me understand patterns, and I use examples and excerpts from them in my object-oriented analysis and design classes.
这两本书都曾帮助我理解模式，并且在我面向对象的分析与设计课程上，我使用了从中摘录的例子。
In object-oriented design, there is a notation of visibility for attributes and operations.
在面向对象的设计中，存在属性及操作可见性的记号。
Two responsibility assignment principles play a major role in achieving good object-oriented design: high cohesion and low coupling.
这两个职责分配原则在完成良好的面向对象设计的方面扮演了主要角色：高内聚和低耦合。
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