剑指offer第2题 单件模式

#include <iostream>

using namespace std;

class Singleton
{
public:

static Singleton& getInstance()
{
static Singleton dp;
return dp;
}

void message()
{
cout<<"Singleton Message"<<endl;
}
private:
Singleton()
{
cout<<"construct Singleton!"<<endl;
}
};

int main(int argc, char* *argv)
{
Singleton::getInstance().message();
Singleton::getInstance().message();
Singleton::getInstance().message();
system("pause");
return 0;
}