viechle

class Vehicle {
    protected String brand = "No brand";
}

class Motorcycle extends Vehicle {
}

class Car extends Vehicle {
}

public class Main {

    public static void main(String []args) {
        Motorcycle harley = new Motorcycle();
        Car bmw = new Car();

        harley.brand = "Harley-Davidson";
        bmw.brand = "BMW";

        System.out.println("Motorcycle: " + harley.brand);
        System.out.println("Bmw       : " + bmw.brand);
    }
}