请定义一个分数类,数据成员为分子和分母,要求如下.
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![请定义一个分数类,数据成员为分子和分母,要求如下.](/uploads/image/f/7310594-2-4.jpg?t=%E8%AF%B7%E5%AE%9A%E4%B9%89%E4%B8%80%E4%B8%AA%E5%88%86%E6%95%B0%E7%B1%BB%2C%E6%95%B0%E6%8D%AE%E6%88%90%E5%91%98%E4%B8%BA%E5%88%86%E5%AD%90%E5%92%8C%E5%88%86%E6%AF%8D%2C%E8%A6%81%E6%B1%82%E5%A6%82%E4%B8%8B.)
classDate{public:Date(int=1900,int=1,int=1);voidShowDate();Dateoperator++();//前置单目运算符重载Dateoperator+
#include <iostream>using namespace std;class Box {\x09float leng
classscore{privatedoubleenglish;publicvoidsetScore(doubleenglish){this.english=english;}publicvoidpr
classPoint{public:Point(doublex=0,doubley=0):x(x),y(y){}voidsetData(doublex0,doubley0){x=x0;y=y0;}do
#include#includeusingstd::cout;usingstd::cin;usingstd::endl;usingstd::string;classBook{public:Book(s
//ConsoleApplication4.cpp:定义控制台应用程序的入口点.//#include"stdafx.h"#includeusingnamespacestd;classcMyRect{p
classCircle{public:Circle(intnr){r=nr;}Circle(){}public:intr;intArea(){return3.14*r*r;}};classB{publ
#includeusingnamespacestd;classcircle{private:doubleradius;public:circle(doubler=0.0);voidinput();do
classTriangle{private:\x05doublea;\x05doubleb;\x05doublec;public:\x05Triangle():a(0),b(0),c(0){}\x05
#includeusingnamespacestd;classcat{public:cat();virtual~cat();public:floatweight;staticinthowmany
classComplex{public:Complex(){real=0;imag=0;}//定义结构函数Complex(doubler,doublei){real=r;imag=i;}//构造函数重
classline:publicpoint{public:pointm_start;pointm_end;line();line();line(pointstart,pointend):m_start
把这三个类分别放到三个.java文件中,然后编译运行即可.publicclassCircle{privatedoubler;publicCircle(doubler){this.r=r;}public
classCat{privateintnumofcats;publicintgetnumofcats(){returnnumofcats;}}
在此基础上派生出矩形类CRectangle和圆类CCircle.//矩形类包括左上角坐标、长和宽等数据成员及相关的成员函数(如计算面积、周长、显示矩形的属性值等).//圆类包括圆心坐标、半径等数据成员
#include#includeusingnamespacestd;classCircle{public:\x05Circle(){}\x05Circle(Circle&c)\x05{\x05\x05
//这是我博客上的分数类例子,重载了+-*/以及#includeusingnamespacestd;classfenshu{intfenzi;intfenmu;public:friendostream
#include#definePI3.14159usingnamespacestd;classcircle{private:doubleRadius;public:voidjiandan();};vo
1)Youdon'tneedamemberfunction2)Youdon'tevenneedamembervariable3)Aclasscanbeempty再问:ok,Iunderstand,th