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A. A
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在面向对象程序设计语言中,对象之间通过(1)方式进行通信。以下关于好的面向对象程序设计语言的叙述中,不正确的是(2)。
(1)A.消息传递
B.继承
C.引用
D.多态
(2)A.应该支持被封装的对象
B.应该支持类写实例的概念
C.应该支持通过指针进行引用
D.应该支持继承和多态
Software entities are more complex for their size than perhaps any other humanconstruct, because no two parts are alike (at least above the statement level). If they are, wemake the two similar parts into one, a( 71 ), open or closeD. In this respect software systemsdiffer profoundly from computers, buildings, or automobiles, where repeated elements abound.
Digital computers . are themselves more complex than most things people build;they have very large numbers of states This makes con
以下关于编译系统对某高级语言进行翻译的叙述中,错误的是( )
A、词法分析将把源程序看作一个线性字符序列进行分析
B、语法分析阶段可以发现程序中所有的语法错误
C、语义分析阶段可以发现程序所有的语义错误
D、目标代码生成阶段的工作与目标的体系结构相关