学生类2(练习题）



#include  

#include

using namespace std;

class Student{

        public:

        Student();

        Student(string,string,char,int,double,double,double);

    double average();

        void setStudent(string a_name,string n,char s,int a,double c,double m,double e){

        name=a_name;

        num=n;

        sex=s;

        age=a;

        chinese=c;

        math=m;

        english=e;

        }

        string geta_name(){return name;}

        string getn(){return num;}

        char gets(){return sex;}

        int geta(){return age;}        

        double getc(){return chinese;}

        double getm(){return math;}

        double gete(){return english;}                        

        ~Student()

        {cout<<"Destructor called."<

        void display()

        {cout<

        private:

        string name;string num;char sex;int age;double chinese;double math;double english;

        };

        Student::Student()

        {chinese=0;math=0;english=0;}

        Student::Student(string a_name,string n,char s,int a,double c,double m,double e):name(a_name),num(n),sex(s),age(a),chinese(c),math(m),english(e){        

        cout<<"Constructor called."<

    double Student::average()

        {return        (chinese+math+english)/3;}                

        int main()

        {

        string name;string num;char sex;int age;double chinese;double math;double english;

        Student r;

        cin>>name>>num>>sex>>age>>chinese>>math>>english;

        r.setStudent(name,num,sex,age,chinese,math,english);

        r.display();

        cout<

    return 0;

}