Why on earth does the catch statement return an error? It's pretty much cut and paste from a java schoolbook! What the program does isn't all that important, without the try/catch, the code compiles fine... But as soon as the catch is introduced, I get an error saying "cannot find symbol," on line 23, the catch line.

[CODE=java]
import java.util.Scann er;

public class O2a{

public static...