August 2021
Intermediate to advanced
450 pages
4h 46m
Chinese
Content preview from 面向对象的思考过程（原书第5版）Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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11.2 本章小结
依赖注入将类的构造与它的依赖构造解耦。这就类似于从供应商购买现货而不是每次都自己制作。
这一点是我们讨论继承和组合的核心。需要提醒的是，我们只是进行了简单的讨论。本章并不是给读者描述一种最优的方式来设计类，而是让你在选择使用继承和组合的时候能够考虑两者各自的问题。在下一章，我们会介绍面向对象设计的SOLID原则，这是开发者社区广为遵从的概念。
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