#include <iostream.h>
class static_myclass  	// 有靜態(tài)數(shù)據(jù)成員的 class
{
public:
    static int a;
};
int static_myclass::a = 5;		
void main()
{
	static_myclass obj1, obj2;  
	obj1.a = 10;            //引用方法一
	static_myclass::a = 20; //引用方法二
	
	cout << obj1.a <<endl;
	cout << obj2.a <<endl;
	cout << static_myclass.a <<endl;
}