prog5.cpp

来自「C++语言程序设计题典」· C++ 代码 · 共 22 行

#include <iostream.h>
class Sample
{
	int n;
public:
	Sample(int i) { n=i; }
	operator ++() {	n++; }        //前缀重载运算符
	operator ++(int) { n+=2; }    //后缀重载运算符
	void disp() 
	{
		cout << "n=" << n << endl;
	}
};
void main()
{
	Sample A(2),B(2);
	A++;     //调用后缀重载运算符
	++B;     //调用前缀重载运算符
	A.disp();
	B.disp();
}