class Room {
	
	private double width;
	private double height;
	
	   public Room(double width, double height){
	      this.width = width;
	      this.height =height;
	   }

	   public final double getArea(){
	      return width*height;
	   }

}

 class LivingRoom extends Room{
	   // The constructor simply calls the parent's constructor using super()
	   public LivingRoom(double width, double height){
	        super(width,height);
	    }
	   // Not allowed to override getArea() here, because this method is final
	   //public  double getArea(){
		    //  return width*height;
		 //  }
	}

public class SuperAndFinal {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		LivingRoom myLivingRoom = new LivingRoom(5,3);
		double area = myLivingRoom.getArea();
		System.out.println(area);

	}

}