#pragma once

class ObjectFactory

{

private:

       ObjectFactory(void);

public:

       static ObjectFactory* GetInstance();

       ~ObjectFactory(void);

private:

       static ObjectFactory* instance;

};

////////////////////////////////////////////////////

＃i nclude "StdAfx.h"

＃i nclude "ObjectFactory.h"

ObjectFactory* ObjectFactory::instance=NULL;

ObjectFactory::ObjectFactory(void)

{

}

ObjectFactory::~ObjectFactory(void)

{

}

ObjectFactory* ObjectFactory::GetInstance()

{

       if ( instance == NULL )

              instance = new ObjectFactory();

       return instance;

}

#pragma once

class ObjectFactoryPri

{

private:

       ObjectFactoryPri(void);

public:

       ~ObjectFactoryPri(void);

       static ObjectFactoryPri* GetInstance();

};

////////////////////////////////////////////////////

＃i nclude "StdAfx.h"

＃i nclude "ObjectFactoryPri.h"

ObjectFactoryPri::ObjectFactoryPri(void)

{

}

ObjectFactoryPri::~ObjectFactoryPri(void)

{

}

ObjectFactoryPri* ObjectFactoryPri::GetInstance()

{

       static ObjectFactoryPri* instance = NULL;

       if (instance == NULL )

              instance = new ObjectFactoryPri();

       return instance;

}

＃i nclude "stdafx.h"

＃i nclude "ObjectFactory.h"

＃i nclude "ObjectFactoryPri.h"

int _tmain(int argc, _TCHAR* argv[])

{

       ObjectFactory* pOF = ObjectFactory::GetInstance();

       ObjectFactoryPri* pOFP = ObjectFactoryPri::GetInstance();

       return 0;

}