填空题

下列程序编译时发现pb->f(10);语句出现错误,其原因是______。 #include<iostream.h> class Base { public: void f(int x){cout<<"Base:"<<x<<endl;) }; class Derived:public Base { public: void f(char*str){cout<<"Derived:"<<str<<endl;} }; void main(void) { Derived*pd=new Derived; Pd->f(10); }

【参考答案】

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