填空题

下列程序的运行结果是______。 #include<iostream.h> class Base { public: virtual void func(int i){cout<<"class Base:"<<i<<end1;) }; class Derived: public Base { public: void func(double d){cout<<"class Derived:"<<d<<endl;} }; void main( ) { Base a,*p=a; Derived b; p=&b; (*p).func(3.3); }

【参考答案】

class Base:3