Car ----extend

package demo;
public abstract class Car {
    public abstract String getCarInfo();
}

package demo;
public class BMW extends Car {
    @Override
    public java.lang.String getCarInfo() {
        return "BMW";
    }
}

package demo;
public class Benz extends Car{
    @Override
    public String getCarInfo() {
        return "Benz";
    }
}

package demo;
public class CarFactory {
    public static Car getCar(String name){
        if (name.equalsIgnoreCase("BMW")){
            return new BMW();
        } else if (name.equalsIgnoreCase("Benz")){
            return new Benz();
        }else {
            return null;
        }
    }
}

package demo;
public class Customer {
    public static void main(String[] args) {
        System.out.println("Customer want BMW");
        Car bmwCar = new CarFactory().getCar("BMW");
        System.out.println("Customer get car" + bmwCar.getCarInfo());
        System.out.println("Customer want Benz");
        Car benzCar = new CarFactory().getCar("Benz");
        System.out.println("Customer get car" + benzCar.getCarInfo());
    }
}