Classes and Companion Object 类和对象伴侣
You work with true object classes combining data and behavior.
使用真正的对象类将数据和行为组合在一起。
There are three types of object classes: abstract, structural, and auxiliary.
对象类有三种类型:抽象、结构性和辅助性。
Events, such as methods or constructor calls, classes or object initialization, and exceptions, are all valid AOP triggers.
事件,例如方法或者构造器调用,类或者对象初始化,以及异常,这些都是有效的aop触发器。
PROFESSOR: Last time, Professor Guttag introduced the idea of objects and classes and this wonderful phrase called object-oriented programming.
教授:上节课,Guttag教授,介绍了对象和类的概念以及,面向对象编程这个美妙的短语,这是我今天想继续讲的一个话题。
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