定义圆锥体类,实现area,volume接口,计算表面积和体积
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简单工厂模式?我之前做了个简易计算器的简单工厂模式,效果与你这个是一样的~~~~你的抽象类Shape里面的方法area()和perimeter(),可以参考的计算器的GetResult()都是虚方法(
/>#include<iostream>usingnamespacestd;classComplex{public:Complex(doublefReal=0.0,doublefIm
classShape{public:virtualfloatarea()const{return0;}};classCircle{private:floatradius;public:floatare
classTrapezoid:publicShape{private:doubletop;doublebottom;doubleheight;public:Trapezoid(doublet,
classCircle{public:Circle(intnr){r=nr;}Circle(){}public:intr;intArea(){return3.14*r*r;}};classB{publ
easy~#include#includeusingnamespacestd;classComplex{private:doublereal;doubleimage;public:Complex(do
我有个类似的,你看一下importjava.awt.*;importjava.applet.*;abstractclassShapes{protectedintx,y,k;protecteddoubl
usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;namespaceConsoleApplic
类似的问题,在知道里面不知道有多少.搜索一下.
class Point{public:double x;double y;};class Circle{public:Point O;dou
你很幸运!我正好有个现成的.namespaceCeshiFushu{classProgram{staticvoidMain(string[]args){Fushufs1=newFushu(5,3);F
1.……的面积如:areaofcontact(接触面积),areaofacircle(圆面积)2.……的领域、地区、范畴如:areaofinterest(关心的领域;有权益的地区);areaofspe
#includeusingnamespacestd;#definePI3.14classPoint{public:\x09Point():m_x(0),m_y(0){}\x09Point(double
这好像是测量漏风率(在试验室内)的标准.roughopening是一个简单,不是很准确的开口.试样的面积(A),平方米(平方英尺)-面积是由能纳入粗略开口的框架的整体尺寸确定.再问:漏风率说的好不专业
usingSystem;classRectangle{privateintwidth;privateintheight;publicRectangle(intw,inth){width=w;heigh
和圆锥体类publicclassDu{\x05publicstaticvoidmain(String[]args){\x05}}classRectangle{\x05protecteddoublele
这个是pascal的做法programabcconstpai=3.14varR,Area:real;beginwriteln("pleaseinputanumberforr:");readln(r);
publicinterfaceCircle{doublearea(doubler);}publicclassCircleImplimplementsCircle{publicdoublearea(do