指针访问类私有成员

#define _CRT_SECURE_NO_DEPRECATE 
#define _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES 1 

#include<iostream>    
#include<algorithm>    

using namespace std;

class Base
{
public:
  int b;
  Base(int x) :a(x) { b = x + 1; }
private:
  int a;
  virtual void func() { cout << "func\n"; }
};

int main()
{
  Base one(1);

  


  //2.
  int* p = ((int*)&one + 1);
  cout << *((int*)&one + 1);//1
  cout << *p;//1
  

  return 0;
}