xt9-8.cpp

来自「谭浩强C程序设计习题答案」· C++ 代码 · 共 26 行

#include <iostream>
using namespace std;
class Student
 {public:
   Student(int n,float s):num(n),score(s){}
   void change(int n,float s) {num=n;score=s;}
   void display() {cout<<num<<" "<<score<<endl;}
  private:
   int num;
   float score;
 };

int main()
{Student stud(101,78.5);
 void fun(Student&);
 fun(stud);
 return 0; 
}
 
void fun(Student &stu)
{stu.display();
 stu.change(101,80.5);
 stu.display();
}