Untitled

class Car{
  String? brand;
  String? type;
  int? year;

  Car(this.brand, this.type, this.year);

  void show(){
    print('$brand $type $year');
  }
}

void main(){
  Car car = Car('Toyota', 'Supra', 2022);
  Car car1 = Car('BMW', 'M3', 2015);
  Car car2 = Car('Audi', 'A4', 2013);

  car.show();
  car1.show();
  car2.show();
}