In your code, n is always 0 since you have modifed it. You should store a temporary variable for n beforehand.

I assume it means that somewhere in your code you divide by a variable that has 0 as value.

How did you get the numbers 6.0 and 30.0 ?

@Coopsec - consider: volume of sphere (dough blob) == volume of cylinder (pizza of different thicknesses)

Thank you for trying to help!
I just still don't get what kind of formula I am supposed to use....

The "crispy" crust pizzas are 1 unit deep

The "thick" crust pizzas are 5 units deep

I'd start with reading the description :)

Am I missing something? How am I supposed to calculate the radius when I have no idea what numeric value is assigned to "crispy" or "thick"? I know that diameter / 2 = radius. But it wouldn't be a kyu 7 exercise, if I had to merely return diameter / 2 ...

https://www.cs.cmu.edu/~pattis/15-1XX/common/handouts/ascii.html
(A little late, I know...)

In case someone wonders how to fix the problem: Just add a class with any custom name.

public class Switch{

public static String switcheroo(String x){
return "code";
}
}