ex5-3-2a.cpp

来自「一些学习c++的例题」· C++ 代码 · 共 41 行

#include <iostream>

using namespace std;

class NoVirtual
{
   int i;

public:
   void f();
};

class OneVirtual
{
   int i;

public:
   void f();

   virtual void g();
};

class TwoVirtual
{
   int i;

public:
   void f();

   virtual void g();
   virtual void h();
};

void main()
{
   cout << "size of int: " << sizeof(int) << endl;
   cout << "size of pointer: " << sizeof(void *) << endl;	
   cout << "size of NoVirtual: " << sizeof(NoVirtual) << endl;
   cout << "size of OneVirtual: " << sizeof(OneVirtual) << endl;
   cout << "size of TwoVirtual: " << sizeof(TwoVirtual) << endl;
}