proj9_10.cpp

来自「C++程序设计教程的全部源代码 包含与教程同步的PPT 方便学习」· C++ 代码 · 共 47 行

#include <iostream.h>
//类lfeet
class LMetres;
class Lfeet
{
private:
	int feet;
	float inches;
public:
	Lfeet(int = 0,float = 0);
	void display()
	{cout << "feet = "<< feet << "   inches = "<< inches << endl;}
	//在目标类中定义构造函数
	Lfeet(LMetres& );
};
//类lmetres
class LMetres
{
private:
	float metres;
public:
	LMetres(float = 0);
	void display(){cout << "     metres" << metres << endl;}
	float getmetres(){return metres;}
};
Lfeet::Lfeet(LMetres & m)
{
	float ffeet;
	ffeet = m.getmetres()*3.28;
	feet = int(ffeet);
	inches = 12*(ffeet-feet);
}

//Lfeet构造函数
Lfeet::Lfeet(int ft,float in)
{
	feet = ft;
	inches = in;
}
LMetres::LMetres(float m)
{metres = m;}
void main()
{
	LMetres m1( 1.0 );
	Lfeet f1 = m1;
	f1.display(); 
}