218: Implement a C++ program to create a basic hierarchy for electronic devices. Create a base class "Device" with attributes like brand and power source. Derive a class "Phone" from "Device" to include features like operating system and screen size.

 

// Implement a C++ program to create a basic hierarchy for electronic devices.

// Create a base class "Device" with attributes like brand and power source.

// Derive a class "Phone" from "Device" to include features like operating system and screen size.

#include <iostream>

using namespace std;

class Device

{

private:

    string brand, powerSource;

public:

    Device(string b = "", string p = "") { brand = b, powerSource = p; }

    virtual void display_Device();

};

void Device::display_Device() { cout << "Brand: " << brand << "\nPower Source: " << powerSource << endl; }

class Phone : protected Device

{

private:

    string operating_System, screen_size;

public:

    Phone(string b = "", string p = "", string o = "", string s = "") : Device(b, p)

    {

        operating_System = o, screen_size = s;

    }

    void display_Device() override;

};

void Phone::display_Device()

{

    Device::display_Device();

    cout << "Operating System: " << operating_System << "\nScreen Size: " << screen_size << endl;

}

int main()

{

    Phone p1("Huawei", "60 watt", "EMUI 11.0", "6.47\"");

    p1.display_Device();

    return 0;

}