定义一个电池类,具有私有的成员变量

#include#includeclassPoint{private:\x05doublem_x;\x05doublem_y;\x05public:\x05Point()\x05{\x05\x05m_

classDate{public:Date(int=1900,int=1,int=1);voidShowDate();Dateoperator++();//前置单目运算符重载Dateoperator+

classscore{privatedoubleenglish;publicvoidsetScore(doubleenglish){this.english=english;}publicvoidpr

#include"stdafx.h"#include#includeusingnamespacestd;classPoint{public:Point():m_x(0),m_y(0)//无参的构造函数

你说的不详细啊!不过我大体明白你的意思.我用Java给你做吧!如果你要用C++的话其实是一样的,只需要改变一点格式即可.publicclassComplexnumber{privatedoublere

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

#includeusingnamespacestd;classcircle{private:doubleradius;public:circle(doubler=0.0);voidinput();do

classcircle{public:circle(floatr=0){this->r=r;}floatarea();{return3.14*r*r;}private:floatr;};再问：再问：为

publicclassScore{privateintnum;privatefloatmath;privatefloatenglish;publicfloatgetMath(){returnmath;

classCuboid{friendintVolume(constCuboid&);intlength;intwidth;intheight;};intVolume(constCuboid&c){re

#include<iostream>#include<string>classCTimeinfo{private:inthour,minute;public:CTimeinfo

#includeusingnamespacestd;classClock{public:Clock(inth=0,intm=0,ints=0):hour(h),minute(m),second(s){

classcircle{floatradius;floatarea;public:circle(floatr){radius=r;}floatgetarea(void){area=3.14*radiu

#include#includeclasslocation{private:floatx;floaty;floata;public:location(){x=0;y=0;}location(float

//////////////////////////////////////////////////////////////////////////Point.h#include#includeusi

1.class2.y=j3.cout

classCircle{privatedoubleradius;publicCircle(){this.radius=0;}publicCircle(doubler){this.radius=r;}p

看书运算符重载,拷贝构造及赋值为私有

#include"iostream.h"classX;classZ{public:voidg(X&p);};classY{public:voidf(X&p);};classX{inti;public:

#includeclassPOINT{public;Point(doublea,doubleb){x=a;y=b};fienddoublesquare(Point&a,Point&b);private