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  1. файл DeliveryInformation.h
  2.  
  3. #pragma once
  4. #include <iostream>
  5. #include "ProductInformation.h"
  6. using namespace std;
  7.  
  8. class DeliveryInformation: public ProductInformation
  9. {
  10. private:
  11.     float charges_;
  12.     string customer_;
  13.     string supplyer_;
  14. public:
  15.     DeliveryInformation() :ProductInformation(), charges_(0.0), customer_(""), supplyer_(""){};
  16.     //~DeliveryInformation();
  17.     float getCharges() const { return charges_; };
  18.     string getCustomer()const { return customer_; };
  19.     string getSupplyer() const { return supplyer_;};
  20.     float getAmountOfProduct() const { return amountOfProduct_; };
  21.     float getProductPrice() const { return productPrice_;};
  22.     string getProductName() const { return productName_; };
  23.  
  24.     void setCharges(float charges) { charges_ = charges;};
  25.     void setCustomer(string customer) { customer_ = customer; };
  26.     void setSupplyer(string supplyer) { supplyer_ = supplyer; };
  27.     void setAmountOfProduct(float amountOfProduct){ amountOfProduct_ = amountOfProduct;};
  28.     void setProductPrice(float productPrice) { productPrice_ = productPrice;};
  29.     void setProductName(string productName) {productName_ = productName;};
  30.     void createNewProduct();
  31.     void deleteOneProduct();
  32.     friend istream& operator >> (istream& input, DeliveryInformation& obj) {
  33.         input >> obj.productName_ >> obj.amountOfProduct_ >> obj.productPrice_ >>
  34.             obj.charges_ >> obj.supplyer_ >> obj.customer_;
  35.         return input;
  36.     };
  37.     friend ostream& operator << (ostream& output, DeliveryInformation& obj) {
  38.         output << obj.productName_ << "\n" << obj.amountOfProduct_ << "\n" << obj.productPrice_
  39.             << "\n" << obj.charges_ << "\n" << obj.supplyer_ << "\n" << obj.customer_ << "\n";
  40.         return output;
  41.     };
  42. };
  43.  
  44. файл ProductInformation.h
  45.  
  46. #pragma once
  47. #include <iostream>
  48. using namespace std;
  49.  
  50. class ProductInformation
  51. {
  52. protected:
  53.     float amountOfProduct_;
  54.     string productName_;
  55.     float productPrice_;
  56. public:
  57.     ProductInformation() : amountOfProduct_(0.0),
  58.         productName_(""), productPrice_(0.0) {};
  59.     //~ProductInformation();
  60.     virtual float getAmountOfProduct() const = 0;
  61.     virtual float getProductPrice() const = 0;
  62.     virtual string getProductName() const = 0;
  63.     virtual void setAmountOfProduct(float) = 0;
  64.     virtual void setProductPrice(float) = 0;
  65.     virtual void setProductName(string) = 0;
  66. };
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