//: c06:Jurassic.java // From 'Thinking in Java, 2nd ed.' by Bruce Eckel // www.BruceEckel.com. See copyright notice in CopyRight.txt. // Making an entire class final. class SmallBrain {} final class Dinosaur { int i = 7; int j = 1; SmallBrain x = new SmallBrain(); void f() {} } //! class Further extends Dinosaur {} // error: Cannot extend final class 'Dinosaur' public class Jurassic { public static void main(String[] args) { Dinosaur n = new Dinosaur(); n.f(); n.i = 40; n.j++; } } ///:~