light.cpp

,Head First 设计模式原书用的是JAVA写的代码

#include "StdAfx.h"
#include ".\light.h"

CLight::CLight(void)
{

}

CLight::~CLight(void)
{
}
void CLight::on()
{
	std::cout<<"The light is on.\n";
}
void CLight::off()
{
	std::cout<<"The light is off.\n";
}