以下不属于面向对象程序设计特性的是( )。
- A.封装性
- B.继承性
- C.完整性
- D.多态性
正确答案及解析
正确答案
解析
面向对象基础概念:
对象:是基本运行时的实体,既包括数据(属性),也包括(行为)。
类:类所包含的方法和数据描述一组对象的共同行为和属性;类是在对象之上的抽象,对象是类的具体化,是类的实例。
消息:对象之间进行通信的一种构造。
继承:父类和子类之间共享数据和方法的机制。
封装:将数据和操作数据的函数衔接在一起,构成的一个具有类类型的对象的描述。
多态性:是多种表现形式;多态性的实现,一般通过在派生类中重定义基类的虚函数来实现。
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