Can anyone help me identify the Exception in thread “AWT-EventQueue-0” java.lang.NullPointerException on Line 65?

Question

I keep getting a Run Time error that says I am having an Exception in thread \"AWT-EventQueue-0\" java.lang.NullPointerException it is saying a [line 65] but to me it just looks

Answer 1

Line 65 is this one:

if (state.equals("Alabama"))

If you look through the previous code, nothing has initialized state so its value will be null.

Answer 2

The state is null when you try to invoke equals on it.