#include<iostream>

using namespace std;

class Integer
{
	public:
		void Display();
		static void Fun(int num1,int num2,Integer *ptr);
	private:
		int member_int;
		static int static_int;
};

int Integer::static_int=0;

void Integer::Fun(int num1,int num2,Integer *ptr)
{
	//member_int=num1;   错误，不知对哪个对象上的member_int进行操作
	ptr->member_int=num1;//正确
	static_int=num2;//正确
}

void Integer::Display()
{
	cout<<"member_int="<<member_int<<endl;
	cout<<"static_int="<<static_int<<endl;
}

int main(int argc,char *argv[])
{
	Integer obj;
	Integer::Fun(1,2,&obj);//正确，仅对静态成员函数正确
	obj.Display();
	obj.Fun(3,4,&obj);//正确
	obj.Display();

	return 0;
}