试题与答案

有如下类和对象的定义:class Constants{public: static

题型:单项选择题

题目:

有如下类和对象的定义:class Constants{public: static double get PI(){return 3.1416;}};Constants constants;下列各组语句中,能输出3.1416的是

A.cout<<constants->getPI();和cout<<Constants::getPI();

B.cout<<constants. getPI();和cout<<Constants.getPI();

C.cout<<constants->getPI();和cout<<Constants->getPl();

D.cout<<constants. getPI();和cout<<Constants::getPI();

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D

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