?? e-5-2.txt
字號:
#include<iostream>
using namespace std;
class Product{
private:
char *name;
int price;
int quantity;
public:
Product(char *a,int b,int c);
void purchase(int money);
void remain();
~Product();
};
Product::Product(char *a, int b, int c){
name=a;
price=b;
quantity=c;
cout<<"name:"<<a<<endl;
cout<<"price:"<<b<<endl;
cout<<"quantity:"<<c<<endl;
}
void Product::purchase(int money){
quantity=quantity-money/price;
}
void Product::remain(){
cout<<"Now,quantity:"<<quantity<<endl;
}
Product::~Product(){
cout<<"Now,quantity:"<<quantity<<endl;
}
void main(){
Product p("beef",8,100);
p.purchase(64);
p.remain();
system("pause");
}
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