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  1. #include <iostream>
  2. #include <string>
  3.  
  4. class Drinks {
  5.    private:
  6.       std::string name;
  7.       double price;
  8.       int qtyInMachine;
  9.    public:
  10.       Drinks(std::string n, double p, int qty) : name(n), price(p), qtyInMachine(qty) {}
  11.       std::string getName() const { return name; }
  12. };
  13.  
  14. class VendingMachine {
  15.    private:
  16.       static const int NUM_DRINKS = 5;
  17.       static const Drinks drinks[NUM_DRINKS];					// Suggestion: Use std::vector here
  18.  
  19.    public:
  20.       static int getMaxNumOfDrinks() { return NUM_DRINKS; }
  21.       static Drinks getDrink(const int i) { return drinks[i]; }  // TODO: Add error handling here!!!
  22.  
  23.       VendingMachine(){}
  24. };
  25.  
  26. const Drinks VendingMachine::drinks[VendingMachine::NUM_DRINKS] {Drinks("Cola",1.25,20),
  27.       Drinks("Root Beer",1.35,20),Drinks("Orange Soda",1.20,20),Drinks("Grape Soda",1.20,20),
  28.       Drinks("Bottled Water",1.55,20)};
  29.  
  30. int main() {
  31.    VendingMachine vm1;
  32.    for (int i = 0; i < VendingMachine::getMaxNumOfDrinks(); i++) {
  33.       std::cout << VendingMachine::getDrink(i).getName() << " ";
  34.    }
  35. }
Success #stdin #stdout 0s 4496KB
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stdin
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Standard input is empty
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Cola Root Beer Orange Soda Grape Soda Bottled Water
https://ideone.com/tr5oZu
https://stackoverflow.com/questions/58193962/how-to-initialize-static-const-member-that-is-array-of-another-class-and-use-it
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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