定义shape抽象类,派生出矩形,计算周长
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publicabstractclassShape{publicabstractdoublearea();}----------------------------------------------
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(
classShape{public:virtualfloatarea()const{return0;}};classCircle{private:floatradius;public:floatare
classTrapezoid:publicShape{private:\x05doubletop;\x05doublebottom;\x05doubleheight;public:\x05Trapez
classTrapezoid:publicShape{private:doubletop;doublebottom;doubleheight;public:Trapezoid(doublet,
#include"stdafx.h"#include#includeusingnamespacestd;classCShape{public:\x09virtualvoidArea()=0;\x09v
#includeusingnamespacestd;classShape{public:virtualvoidprintName()=0;virtualvoidprintArea()=0;};cl
classpoint;classshape{public:virtualdoublecircumference()=0;virtualdoublearea()=0;};#definePI3.14159
我有个类似的,你看一下importjava.awt.*;importjava.applet.*;abstractclassShapes{protectedintx,y,k;protecteddoubl
usingSystem;namespaceAnimal{publicclassMainclass{publicstaticvoidMain(){Marmmalm=newMarmmal(10,50);D
朋友这个是C++的吧!classPoint{private:intm_nX;intm_nY;public://...}classCircle:publicPoint{private:intm_nR;p
类似的问题,在知道里面不知道有多少.搜索一下.
#includeusingnamespacestd;#definePI3.14classPoint{public:\x09Point():m_x(0),m_y(0){}\x09Point(double
简单写下了:#includeusingnamespacestd;classshape{//定义抽象类public:virtualvoidshow(){}};classcircle:publicshap
这是教程上的经典例子,多看书吧.
abstractclassShape{publicShape(){}publicfloatGetPerim(){return0;}}classRectangleextendsShape{private
不要提出这种问题,代码还是自己动手写的好,写的过程中遇到麻烦,再拿出来问的话,我想会有更多人乐意帮你解答的再问:来不及哦!!今天晚上要交!!没时间慢慢写!!我对c++也不是很熟!急求高手流利的给个程序
#includeusingnamespacestd;classShape{public:\x09voidCreateShape();};voidShape::CreateShape(){\x09cou