I need help with javafx programming

Question

I’m coding a system that’s equivalent to a hotel reservation system, it’s still very primitive, I’m on a stage that I what to set different rooms to be unoccupied and occupied, unfortunately I’m only able to set the unoccupied ones.
The code is a little bit big for me to write on the phone, but if you think you are able to help comment here and I’ll send you an email with a picture with the code

Answer 1

maybe use values 1 for occupancy and 0 for unoccupancy