// references/HorrorFlick.java

// (c)2016 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://mindviewinc.com/Books/OnJava/ for more book information.

// You can insert Cloneability at any level of inheritance

class Person {}

class Hero extends Person {}

class Scientist extends Person implements Cloneable {

@Override

public Scientist clone() {

try {

return (Scientist)super.clone();

} catch(CloneNotSupportedException e) {

throw new RuntimeException(e);

}

}

}

class MadScientist extends Scientist {}

public class HorrorFlick {

public static void main(String[] args) {

Person p = new Person();

Hero h = new Hero();

Scientist s = new Scientist();

MadScientist m = new MadScientist();

//- p = (Person)p.clone(); // Compile error

//- h = (Hero)h.clone(); // Compile error

s = s.clone();

m = (MadScientist)m.clone();

}

}