Object Oriented Principles and Object Oriented Design are actually two different things.
面向对象原则和OOD实际上是两个不同的方面。
"Tell, don't ask" is considered a good principle of object-oriented design.
“告知，不要问”被认为是一个很好的面向对象设计原则。
Logic class structure is highly important to object-oriented design.
合理的类结构对面向对象设计阶段起着非常重要的作用。
The previous chapters demonstrate a development plan we might call "object-oriented design".
之前的章节中，我们展示了所谓“面向对象设计”的开发规划模式。
Understand the basic concepts of Object-Oriented design and develop.
理解面向对象设计与开发的基本思想。
Object-oriented design model is the practical application of technology.
设计模式是面向对象技术的实际应用。
Object-oriented design model is the practical application of technology.
设计模式是面向对象技术的实际应用。
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