5_4.cpp

清华大学C++补充习题代码

//5_4.cpp
#include<iostream>
using namespace std;
class Base
{
private:
	double x,y;
	const double p;
public:
	Base(double m,double n,double d):p(d)
	{	x=m;y=n;}
	void Show();
	void Show() const;
};
void Base::Show()		{	cout<<x<<","<<y<<"p="<<p<<endl;}
void Base::Show() const	{	cout<<x<<","<<y<<"const p="<<p<<endl;}
void main()
{
	Base a(8.9,2.5,3.14);
	const Base b(2.5,8.9,3.14);
	b.Show();
	a.Show();
}
/*
运行结果：
2.5,8.9const p=3.1415
8.9,2.5p=3.14
*/