class Fish extends Animal...{
void breathe()...{
int height;super.breathe();super.height=40;System.out.println("Fish bubble");
}
}
class Integration...{public static void main(String[] args)...{Animal an=new Animal();Fish fh=new Fish();an.breathe();fh.breathe();System.out.println("an.height:"+an.height);System.out.println("fh.height:"+fh.height);}}
