static void Main(string[] args)
{
Laptop myLaptop = new Laptop(16, "Apple", "Macbool Pro", 2019);
myLaptop.SwitchOn();
Console.WriteLine(myLaptop.IsDeviceOn);
myLaptop.SwitchOff();
Console.WriteLine(myLaptop.IsDeviceOn);
Console.WriteLine(Computer.FirstComputer);
Console.WriteLine(Computer.YearOfFirstComputer);
SmartPhone mySmartPhone = new SmartPhone("Sprint", "iPhone", "iPhone 8", 2016);
Console.WriteLine(mySmartPhone.OnCall);
mySmartPhone.Call();
Console.WriteLine(mySmartPhone.OnCall);
mySmartPhone.HangUp();
Console.WriteLine(mySmartPhone.OnCall);
Console.WriteLine(mySmartPhone.Carrier);
Computer newComputer = new Computer("x", "x.10", 2020);
Console.WriteLine(newComputer.ObjectId);
Computer computer = new Computer("y", "yyy", 2020);
Console.WriteLine(computer.ObjectId);
Laptop laptop = new Laptop(5, "lap", "lap.10", 2020);
Console.WriteLine(laptop.ObjectId);
SmartPhone smartPhone = new SmartPhone("AT&T", "phone", "smart", 2020);
Console.WriteLine(smartPhone.ObjectId);
}
public void DisplayInfo(Laptop info)
{
Console.WriteLine("Name: {0}, Brand: {1}, Battery Level: {2}, Plugged In: {3}", info.Name, info.Brand, info.BatteryLevel, info.PluggedIn);
}