example10.cpp

来自「Advanced Internet Programming Lecture 2 」· C++ 代码 · 共 26 行

#include <iostream>
using namespace std;

class shared {
public:
  static int a;
} ;

int shared::a; // define a

int main()
{
  // initialize a before creating any objects
  shared::a = 99;

  cout << "This is initial value of a: " << shared::a;
  cout << "\n";

  shared x;

  cout << "This is x.a: " << x.a;

  return 0;
}