singleton.cpp

c++程序

//Singleton.cpp
#include "Singleton.h"
#include <iostream> 
using namespace std;

Singleton* Singleton::_instance = 0;

Singleton::Singleton() 
{ 
	cout<<"Singleton...."<<endl; 
}

Singleton* Singleton::Instance() 
{
	if (_instance == 0) 
	{ 
		_instance = new Singleton(); 
	}
	return _instance; 
}