84.friend友元类

#include <iostream>
using namespace std;

//友元函数的主要作用就是访问私有变量
class myclass
{
public:
    friend class newclass;
private:
    int x;
    int y;
    int z;


};

class newclass
{
private:
    myclass my;
    char *password = "calc";

public:
    void outit()
    {
        cout << password << my.x << my.y << my.z;
    }
};

void main()
{

    cin.get();
}