C++圆锥体类(最新整理)

1、#include #includeclass y1/为半径和高赋值public:y1()/无参数构造函数的调用r=2;h=2;cout无参构造函数调用!r=rh=hendl;y1(double a,double b)/有参构造函数调用r=a;h=b;cout有参构造函数调用!r=rh=hendl;y1(y1 &p);/复制构造函数调用y1()/析构函数调用cout析构函数调用!r=rh=hendl;friend void tj(y1 &a);/友元函数声明static void print1();/静态成员函数声明void print2() const;/常成员函数声明private:doub

2、le r,h; static double p;double y1:p=3.14;/静态成员函数赋初值y1:y1(y1 &p)/复制构造函数r=p.r;h=p.h;cout复制构造函数调用!r=rh=hendl;void y1:print1()cout=pendl;cout静态成员函数被调用!n;void y1:print2() constcout半径：rt高：hendl; cout常成员函数被调用!n;void tj(y1 &a)/友元函数体积cout体积：a.p*a.r*a.r*a.h/3endl; cout友元函数被调用!n;/面积class y2double r,h,p;public:

3、y2()/无参构造函数调用r=1;h=1;p=3.14;cout无参构造函数调用!r=rh=hendl;y2(double a,double b)/有参构造函数调用r=a;h=b;p=3.14;cout有参构造函数调用!r=rh=hendl;y2()/析构函数调用cout析构函数调用!r=rh=hendl;void print3 ()cout表面积：p*r*sqrt(h*h+r*r)+p*r*rendl;/汇总class yuan:public y2/单继承y1 a;/子对象public:yuan()cout无参构造函数调用!n; yuan(double a,double b):a(a,b),

4、y2(a,b)cout有参构造函数调用!n;yuan()/析构函数调用cout析构函数调用!n;void print4()y2:print3();/tj();void main()int i=2; double r,h;coutn*圆锥体类的实现*张志强制endl; coutn*无参程序运行*nn;yuan a;y1:print1();consty1 w(1,1); w.print2();couti;for(;i!=0;)coutn*有参程序运行*n; coutendl;coutr; couth; y1 q(r,h);yuan s(r,h);y1:print1();s.print4();y1

5、p=q;tj(p);couti;“”“”at the end, xiao bian gives you a passage. minand once said, people who learn to learn are very happy people. in every wonderful life, learning is an eternal theme. as a professional clerical and teaching position, i understand the importance of continuous learning, life is dilig

6、ent, nothing can be gained, only continuous learning can achieve better self. only by constantly learning and mastering the latest relevant knowledge, can employees from all walks of life keep up with the pace of enterprise development and innovate to meet the needs of the market. this document is also edited by my studio pro