[JAVA] ch07-11. 객체 지향 11

 

public class Ex11 {
    public static void main(String[] args){
        FireCar firecar = new FireCar();
        firecar.drive();
        firecar.stop();
        firecar.water();
        
        Car car = firecar;
        car.drive();
        car.stop();
        //car.water();
    }
}

class Car{
    String color;
    int door;
    
    void drive(){
        System.out.println("dreive.");
    }
    void stop(){
        System.out.println("stop.");
    }
}

class FireCar extends Car{
    void water(){
        System.out.println("water.");
    }
}