#include <iostream>
using namespace std;
class Student                                    //声明类
{
private:
	int num;                                   //声明私有数据成员num
	char name[20];
public:
	void display()                               //声明公有成员函数display
	{
		cout<<"num"<<num<<endl;
		cout<<"name:"<<name<<endl;
	}
};
int main()
{
	cout<<"类的声明"<<endl;
	return 0;
}