简单的派生类的构造函数

#include<iostream>
#include<string>
using namespace std;
class Student
{
public:
Student(int n,string nam,string s){num=n;name=nam;sex=s;}
~Student(){}
protected:
int num;
string name;
string sex;
};

class Student1:public Student
{
public:
Student1(int n,string nam,string s,int a,string ad):Student(n,nam,s)
{
age=a;
addr=ad;
}
void display()
{
cout<<"num:"<<num<<endl;
cout<<"name:"<<name<<endl;
cout<<"sex:"<<sex<<endl;
cout<<"age:"<<age<<endl;
cout<<"addr:"<<addr<<endl<<endl;
}
~Student1(){}
private:
int age;
string addr;
};

int main()
{
Student1 stud1(2008482271,"赵三","男",15,"河北");
Student1 stud2(2008482272,"李倩","女",18,"宁夏");
stud1.display();
stud2.display();
return 0;
}