visualCplusplus学习课件大连东软培训教材

#include "stdafx.h"
#include <iostream>
using namespace std;


class Student
{
public:
	
	void Set()
	{
		noOfStudents++;
	} 
	
	static int number()
    {
		return noOfStudents;
    }
	
protected:
    char name[40];
    static int noOfStudents;
};

int Student::noOfStudents = 0;

void main()
{
	Student s;
	s.Set();
	s.Set();
	cout <<s.number() <<endl;          //ok 用对象引用静态成员函数
	cout <<Student::number() <<endl;   //ok 用类名引导静态成员函数
}