Chapter 11.9, Problem 11.9.4CP

What is wrong in the following code?

1    public class Test {

2    public static void main(String[] args) {

3    Object fruit = new Fruit();

4    Object apple = (Apple)fruit;

5    }

6    }

7

7    class Apple extends Fruit {

8    }

10   

9    class Fruit {

10    }

11   

12