exam2.cpp

来自「C++语言程序设计题典」· C++ 代码 · 共 16 行

#include <iostream.h>
class Sample
{
	int x;
public:
	Sample() { };
	Sample(int a) { x=a; }
	Sample (Sample &a) { x=a.x+1; }
	void disp() { cout << "x=" << x << endl; }
};
void main()
{
	Sample s1(2),s2(s1);
	s2.disp();
}