bell.cpp

这是一个模拟电梯的程序

#include<iostream>

using std::cout;
using std::endl;

#include "bell.h"

Bell::Bell()
{
	cout<<"bell constructed"<<endl;
}

Bell::~Bell()
{
	cout<<"bell destructed"<<endl;
}

void Bell::ringBell() const
{
	cout<<"elevator rings its bell"<<endl;
}