C++类的声明和对象的定义——形式1

//类的声明和对象的定义-形式1#include <iostream>#include <cstring>using namespace std;class Student{  private:    int num;char name[20];char sex;  public:    void set_data(int n,char *p,char s){   num=n;   strcpy(name,p);   sex=s;}void display(){       cout<<"num:"<<num<<endl;       cout<<"name:"<<name<<endl;   cout<<"sex:"<<sex<<endl<<endl;}};int main(){  Student stud1,stud2;  stud1.set_data(1,"John",'m');  stud2.set_data(2,"Mary",'f');  stud1.display();  stud2.display();  return 0;}