example12.cpp

来自「Advanced Internet Programming Lecture 2 」· C++ 代码 · 共 24 行

#include <iostream>
using namespace std;

class static_type {
  static int i;
public:
  static void init(int x) {i = x;}
  void show() {cout << i;}
};

int static_type::i; // define i

int main()
{
  // init static data before object creation
  static_type::init(100);

  static_type x;
  x.show(); // displays 100

  return 0;
}