请在如下程序中的空格处填写正确的语句: include <iostream> using namespace std; class Base {
请在如下程序中的空格处填写正确的语句:
include <iostream>
using namespace std;
class Base {
public:
void fun() {cout<<"Base fun"<<endl; }
};
class Derived: public Base {
public:
void fun() {
【 】; //调用基类的函数fun()
cout<<"Derived fun "<<endl;
}
};