项目4 长方柱类

#include <iostream>using namespace std;class BULK{public:    BULK(int chang,int kuan,int gao);    void tiji();    void biaomianji();private:    int length,width,heigth;};BULK::BULK(int chang,int kuan,int gao){    length=chang;    width=kuan;    heigth=gao;}void BULK::tiji(){    cout<<(length*heigth*width)<<endl;}void BULK::biaomianji(){   cout<<(length*width*2+width*heigth*2+heigth*length*2)<<endl;}int main(){    int a,b,c;    cin>>a>>b>>c;    BULK bulk1(a,b,c);    bulk1.tiji();    bulk1.biaomianji();    return 0;}

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学习心得：