2.05.3.31用对象数组操作长方柱类

来源：互联网发布：库里三分球实时数据编辑：程序博客网时间：2024/05/16 23:48

#include<iostream>using namespace std;class Bulk{private:    double length;    double width;    double height;    double area;    double volume;public:    Bulk(double x=1,double y=1,double z=1);    void get_value();    void caculate_area();    void caculate_volume();    void output();};Bulk::Bulk(double x,double y,double z){    length=x;    width=y;    height=z;}void Bulk::get_value(){    double a,b,c;    cin>>a>>b>>c;    length=a;    width=b;    height=c;}void Bulk::caculate_area(){     area=(2*(length*width+length*height+width*height));}void Bulk::caculate_volume(){    volume=length*width*height;}void Bulk::output(){    cout<<"表面积为"<<area<<endl;    cout<<"体积为"<<volume<<endl<<endl;}int main(){    Bulk b[5]= {Bulk(2.3,4.5,6.7),Bulk(1.5,3.4),Bulk(10.5)};    b[4].get_value();    int i;    for(i=0;i<5;i++)    {        b[i].caculate_area();        b[i].caculate_volume();    }    for(i=0; i<5; i++)    {        cout<<"第"<<i<<"个长方体的"<<endl;        b[i].output();    }    return 0;}

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