请定义一个Point类，有两个数据成员：x和y,分别代表x坐标和y

修改如下,调试无误：#include "iostream"#include "cmath"using namespace std;//实现POINT类class

classPoint{public:Point(doublex=0,doubley=0):x(x),y(y){}voidsetData(doublex0,doubley0){x=x0;y=y0;}doublegetX(){returnx;}

#includeusingnamespacestd;/*定义Point类有坐标x,y两个成员变量,对Point类重载“++”(自增),”--”(自减)运算符,实现对坐标值的改变包含前置与后置*/classPoint{public:Point

1.class2.y=j3.cout

程序如下：publicclassPoint{\x05doublex,y;\x05doubled;\x05Point(doublea,doubleb){\x05\x05x=a;\x05\x05y=b;\x05}\x05\x05voidTest

classTriangle{private:\x05doublea;\x05doubleb;\x05doublec;public:\x05Triangle():a(0),b(0),c(0){}\x05Triangle(doublex,dou

//////////////////////////////////////////////////////////////////////////Point.h#include#includeusingnamespacestd;class

#include#includeusingnamespacestd;classPoint{private:doubleX,Y;public:Point(doublex,doubley){X=x;Y=y;}//构造函数doubleGetX()

1)Youdon'tneedamemberfunction2)Youdon'tevenneedamembervariable3)Aclasscanbeempty再问：ok，Iunderstand，thankyou再答：Goodluck

classline:publicpoint{public:pointm_start;pointm_end;line();line();line(pointstart,pointend):m_start(start),m_end(end){}

classCircle{intr,c,s;c=circle(r);s=square(r);}intcircle(intr){intc;c=2*3.1415926*r;return(c);}intsquare(intr){ints;s=2*3

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、半径等数据成员及相关的成员函数（如计算面积、周长、显示

#include#includeusingnamespacestd;classCircle{public:\x05Circle(){}\x05Circle(Circle&c)\x05{\x05\x05strcpy(color,c.color

1a2a3d

classComplex{doublereal;doubleimaginary;public:Complex(double&r=0,double&i=0):real(r),imaginary(i){}voidOutPut(void){cou

#includeusingnamespacestd;classRectangle{protected:doublelength,width;public:Rectangle(doublea,doubleb):length(a),width(

#include#includeclassPoint{private:\x05doublem_x;\x05doublem_y;\x05public:\x05Point()\x05{\x05\x05m_x=0.0;\x05\x05m_y=0.

#include#includeusingnamespacestd;classData{public:\x09Data(stringName):name(Name){}\x09virtualvoidprint()=0;protected:\

#include<iostream>#include<cmath>usingnamespacestd;classPoint//Point类声明{public:Point(intxx=0,intyy=0)Point(P

#includeclassPoint{public:Point():m_nX(0),m_nY(0){};Point(intnX,intnY):m_nX(nX),m_nY(nY){};voidShow();protected:intm_nX;