单选

●在面向对象技术中，类属是一种 (15) 机制。一个类属类是关于一组类的一个特性抽象，它强调的是这些类的成员特征中与 (16) 的那些部分，而用变元来表示与 (17) 的那些部分。
(15)

A．包含多态 &n
bsp; B．参数多态
C．过载多态
D．强制多态 (16) A．具体对象无关
B．具体类型无关
C．具体对象相关
D．具体类型相关 (17) A．具体对象无关
B．具体类型无关
C．具体对象相关
D．具体类型相关

试题出自试卷《2011年程序员考试考前密卷（六）-上午试题》

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●在面向对象技术中，类属是一种 (15) 机制。一个类属类是关于一组类的一个特性抽象，它强调的是这些类的成员特征中与 (16) 的那些部分，而用变元来表示与 (17) 的那些部分。(15)

●在面向对象技术中，类属是一种 (15) 机制。一个类属类是关于一组类的一个特性抽象，它强调的是这些类的成员特征中与 (16) 的那些部分，而用变元来表示与 (17) 的那些部分。
(15)