构造函数与析构函数的程序

#include <string.h>
#include <iostream>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */
using namespace std;

class Student
{
    public:
        Student(int n,string name,char s)
        {
            num=n;
            na=name;
            sex=s;
            cout<<"Constructor called."<<endl;
        }
        ~Student()
        {
            cout<<"Destructor called."<<endl;
        }
        void display()
        {
            cout<<"num:"<<num<<endl;
            cout<<"name:"<<na<<endl;
            cout<<"sex:"<<sex<<endl;
        }
        private:
            int num;
            string na;
            char sex;
};

int main(int argc, char** argv) {
    Student stud1(10010,"Wang_li",'f');
    stud1.display();
    Student stud2(10011,"Zhang_fun",'m');
    stud2.display();
    return 0;
}