fig03_22.cpp

来自「经典vc教程的例子程序」· C++ 代码 · 共 16 行

// Fig. 3.22: fig03_22.cpp
// References must be initialized
#include <iostream.h>

int main()
{
   int x = 3, &y;   // Error: y must be initialized

   cout << "x = " << x << endl << "y = " << y << endl;
   y = 7;
   cout << "x = " << x << endl << "y = " << y << endl;

   return 0;
}