class Art{
 Art(){
  System.out.println("Art");
 }
}
class Drawing extends Art{
 Drawing(){
  System.out.println("Drawing");
 }
}
public class Cartoon extends Drawing {
 Cartoon(){
  System.out.println("Cartoon");
 }
 public static void main(String[] args) {
  Art cartoon = new Cartoon();
 }
}

Art
Drawing
Cartoon