2444对象转换

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/** Copyright (c)2013, 烟台大学计算机学院学生* All rightsreserved.* 文件名称： array.cpp* 作    者：   李中意* 完成日期：2014  年7月 7  日* 版本号： v1.0* 输入描述：无*/#include <iostream>#include <iomanip>using namespace std;class Student{    public:    Student(){}    Student(int n,string na,char s,float sc):num(n),nam(na),sex(s),score(sc){}    void display()    {        cout<<"num:"<<num<<endl;        cout<<"name:"<<nam<<endl;        cout<<"sex:"<<sex<<endl;        cout<<"score:"<<score<<endl;    }    int getnum()    {        return num;    }    string getname()    {        return nam;    }    char getsex()    {        return sex;    }    private:    int num;    string nam;    char sex;    float score;};class Teacher{    public:    Teacher(){}    Teacher(int n,string na,char s,float p):num(n),nam(na),sex(s),pay(p){}    Teacher(Student &s)    {        nam=s.getname();        num=s.getnum();        sex=s.getsex();    }    void display()    {        cout<<"num:"<<num<<endl;        cout<<"name:"<<nam<<endl;        cout<<"sex:"<<sex<<endl;        cout<<"pay:"<<pay<<endl;    }    void setpay(double p)    {        pay=p;    }    private:    int num;    string nam;    char sex;    double pay;};int main(){    cout<<setiosflags(ios::fixed);    cout<<setprecision(2);    int num;    char name[20];    char sex;    float score;    float pay;    cin>>num>>name>>sex>>pay;    Teacher teacher1(num,name,sex,pay);    cin>>num>>name>>sex>>score;    Student student1(num,name,sex,score);    cout<<"student1:"<<endl;    student1.display();    Teacher teacher2=Teacher(student1);    teacher2.setpay(1500);    cout<<"teacher2:"<<endl;    teacher2.display();    return 0;}
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