gistfile1.txt

// Электрочайник
class Electrochainik {
private:
    string brand;
    float volume;

public:
    Electrochainik(string brand, float volume) {
        SetBrand(brand);
        SetVolume(volume);
    }

    void SetBrand(string brand) {
        if (brand.empty()) cout << "Brand can't be empty!\n";
        else this->brand = brand;
    }

    string GetBrand() { return brand; }

    void SetVolume(float volume) {
        if (volume <= 0 || volume > 5.0) cout << "Volume must be between 0 and 5 liters.\n";
        else this->volume = volume;
    }

    float GetVolume() { return volume; }

    void printInfo() {
        cout << "Electrochainik: " << brand << ", V: " << volume << " L\n";
    }
};

// Книга
class Kniga {
private:
    string title;
    string author;

public:
    Kniga(string title, string author) {
        SetTitle(title);
        SetAuthor(author);
    }

    void SetTitle(string title) {
        if (title.empty()) cout << "Title can't be empty!\n";
        else this->title = title;
    }

    string GetTitle() { return title; }

    void SetAuthor(string author) {
        if (author.empty()) cout << "Author can't be empty!\n";
        else this->author = author;
    }

    string GetAuthor() { return author; }

    void printInfo() {
        cout << "Kniga: \"" << title << "\" Autor: " << author << "\n";
    }
};

// Телефон
class Telephon {
private:
    string model;
    string os;

public:
    Telephon(string model, string os) {
        SetModel(model);
        SetOS(os);
    }

    void SetModel(string model) {
        if (model.empty()) cout << "Model can't be empty!\n";
        else this->model = model;
    }

    string GetModel() { return model; }

    void SetOS(string os) {
        if (os != "iOS" && os != "Android") cout << "OS must be 'iOS' or 'Android'!\n";
        else this->os = os;
    }

    string GetOS() { return os; }

    void printInfo() {
        cout << "Telephon: " << model << ", OS: " << os << "\n";
    }
};

// Гелевая ручка
class Gelevayaruchka {
private:
    string color;
    float tipSize;

public:
    Gelevayaruchka(string color, float tipSize) {
        SetColor(color);
        SetTipSize(tipSize);
    }

    void SetColor(string color) {
        if (color.empty()) cout << "Color can't be empty!\n";
        else this->color = color;
    }

    string GetColor() { return color; }

    void SetTipSize(float tipSize) {
        if (tipSize <= 0 || tipSize > 2.0) cout << "Tip size must be between 0 and 2 mm.\n";
        else this->tipSize = tipSize;
    }

    float GetTipSize() { return tipSize; }

    void printInfo() {
        cout << "Gelevayaruchka: colour " << color << ", width: " << tipSize << " mm\n";
    }
};

// Купюра
class Cupura {
private:
    int value;
    string currency;

public:
    Cupura(int value, string currency) {
        SetValue(value);
        SetCurrency(currency);
    }

    void SetValue(int value) {
        if (value <= 0) cout << "Value must be greater than 0!\n";
        else this->value = value;
    }

    int GetValue() { return value; }

    void SetCurrency(string currency) {
        if (currency.empty()) cout << "Currency can't be empty!\n";
        else this->currency = currency;
    }

    string GetCurrency() { return currency; }

    void printInfo() {
        cout << "Cupura: " << value << " " << currency << "\n";
    }
};

int main() {
    Electrochainik kettle("Philips", 1.7);
    Kniga book("Мартин Иден", "Джек Лондон");
    Telephon phone("iPhone 14", "iOS");
    Gelevayaruchka pen("синяя", 0.5);
    Cupura money(1000, "грн");

    kettle.printInfo();
    book.printInfo();
    phone.printInfo();
    pen.printInfo();
    money.printInfo();
}
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