第三周 项目4 成绩类

恩提及代码：

/*。*Copyright(c)2014,烟台大学计算机学院*All right reserved,*文件名：test.cpp*作者：liu_feng_zi_*完成日期：2015年3月27日*版本号：v1.0*问题描述：提供了类Stu的数据成员定义，和用于测试的main函数，完成类的定义*输入描述：*程序输出：*/#include<iostream>using namespace std;class Stu{private:    string name;    float chinese;    float math;public:    void setStudent(string n,float x,float y);    void show();    void setName(string n);    string getName();    float average();};void Stu::setStudent(string n,float x,float y){    name=n;    chinese=x;    math=y;}void Stu::show(){    cout<<"Name:"<<name<<endl;    cout<<"Chinese:"<<chinese<<endl;    cout<<"Math:"<<math<<endl;}void Stu::setName(string n){    name=n;}string Stu::getName(){    return name;}float Stu::average(){    return (chinese+math)/2;}int main(){    Stu s1,s2;    s1.setStudent("Lin daiyu", 98, 96);    s2.setStudent("Jia baoyu", 90, 88);    s1.show();    s2.show();    s1.setName("xue baochai");    s1.show();    cout<<"s1.Name: "<<s1.getName()<<endl;    cout<<"s1.average: "<<s1.average()<<endl;    return 0;}

运行结果：