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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1.6.2 属性
正如你看到的一样，类的数据通过属性来表示。每个类必须定义属性，用来存放该类实例化的每个对象的状态。在上一小节中的Person类例子中，Person类定义了name和address两个属性。
访问引导
当数据类型或方法被定义为public时，其他对象可以直接访问它。当数据类型或方法被定义为private时，只有自身对象可以访问它。另一个访问修饰符protected只允许相关对象访问，我们会在第3章进行学习。
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