package vehicle;

abstract class vehicle {
    abstract void run();
}

class Bike extends vehicle{
    public String model;
    public Bike(String model){
        this.model=model;
    }
    @Override
    public void run(){
        System.out.println("已存放一辆"+model+"脚踏车");
    }
}
class Car extends vehicle{
    public String model;
    public Car(String model){
        this.model=model;
    }
    @Override
    public void run(){
        System.out.println("已存放一辆"+model+"汽车");
    }
}
class Truck extends vehicle{
    public String model;
    public Truck(String model){
        this.model=model;
    }
    @Override
    public void run(){
        System.out.println("已存放一辆"+model+"卡车");
    }
}
class RunVehicle{
    public void Run(vehicle v){
        v.run();
    }
}