You'll be fine, I'm sure, and having no positive thoughts in your head the night before the exam is normal.
Good food, glass of wine, hour of rubbish on TV, and then to bed. In the morning take a walk, it's going to be a beautiful day, and your brain will thank you for the oxygen. The exam will be no more difficult than you imagine, and probably less so. In a short while you'll have your degree, and you will be required to come here and tell us about it.
My very best wishes go with you - if anyone deserves to succeed, you do.
I've eaten dinner and just opened the wine. I din't intend going for a walk tomorrow but the thought of doing so has just relaxed me somewhat. I was just going revise all day but I am defiantly going to have meander around the park..
If anyone sees a shaking wreck on a park bench - reciting random ones and zeros and sobbing about sub routines tell him he has to be somewhere at half 2...