下面是类MyClass的定义，对定义中各种语句描述正确的是( )。class MyClass { publiC

未知题型

下面是类MyClass的定义，对定义中各种语句描述正确的是( )。
class MyClass { publiC： void MyClass(int a) //①
{ x=a； ) int func(int a，int b) //②
{ x=a； y=b； } int func(int a，int b，int c=0) //③
{ x=a； y=b； z=c； } static void resetValue() //④
{ x=0； } private： int X，y，Z； }；

A.语句①是类MyClass的构造函数定义
B．语句②和语句③实现类成员函数的重载
C．语句④实现对类成员变量x的清零操作
D．语句①、②、③和④都不正确

【参考答案】

D
解析：类的构造函数没有返回类型，所以语句①是错误的；语句②和语句③将会使函数func()的调用产生歧义；成员......

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