The final local variable cannot be assigned

Question

I have an array of seats, and the array has two strings(selected and empty). On mouse click, I want to traverse the array and find the selected seat. When I press the button

Answer 1

A final variable cannot change it's value (it's similar to const from C/C++).

You probably want to make it a field in a class (without the final keyword of course), not a local variable inside a function.