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第十章
1、 说明对象、类、类结构、消息的基本概念？
答：对象：是客观实体在问题域中的抽象。
类：具有相似或相同性质的对象的抽象就是类。
类结构：类的结构通常有一般----具体（分类结构）整体---抽象（组装结构）
消息：对象之间通信的构造。
2、 面向对象的特征和要素？
答：特征：一致性、多态性、分类性、继承性。要素：共享、封装、抽象。
-a Chapter 10, Note objects, classes, class structure, the basic concept of news? A : Object : objective entities in the problem domain of the abstract. Category : with the same or similar nature of the target is the abstract category. Class Structure : the structure type is usually a general-specific (classification structure) overall --- abstract (assembled) : Communication between the object structure. 2, object-oriented features and elements? A : characteristics : consistency, polymorphism, classification and inheritance. Elements : sharing, Packaging and abstract.
1、 说明对象、类、类结构、消息的基本概念？
答：对象：是客观实体在问题域中的抽象。
类：具有相似或相同性质的对象的抽象就是类。
类结构：类的结构通常有一般----具体（分类结构）整体---抽象（组装结构）
消息：对象之间通信的构造。
2、 面向对象的特征和要素？
答：特征：一致性、多态性、分类性、继承性。要素：共享、封装、抽象。
-a Chapter 10, Note objects, classes, class structure, the basic concept of news? A : Object : objective entities in the problem domain of the abstract. Category : with the same or similar nature of the target is the abstract category. Class Structure : the structure type is usually a general-specific (classification structure) overall --- abstract (assembled) : Communication between the object structure. 2, object-oriented features and elements? A : characteristics : consistency, polymorphism, classification and inheritance. Elements : sharing, Packaging and abstract.
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