using System;

public class Program

{

    public static void Main()

    {

        // static - modifier to declare static member

        //          belong to class itself, not to specific object

        //          does not duplicate member for each object, stays the same for all objects

        Car car1 = new Car("Tesla");

        Car car2 = new Car("Rivian");

        Console.WriteLine(Car.numberOfCars);

        // if static, method is not duplicated -> output: 2

        // access by class, not object

        Car car3 = new Car("Ford");

        Console.WriteLine(Car.numberOfCars); // output: 3

        Car.StartRace();

    }

    class Car

    {

        string make;

        public static int numberOfCars; // add static

​

        public Car(string make)

        {

            this.make = make;

            numberOfCars++;

        }

        public static void StartRace()

        {

            Console.WriteLine("The race has begun!");   

        }

    }

​

}