What are the alternatives to public fields?

Question

I am programming a game in java, and as the question title suggestions i am using public fields in my classes. (for the time being)

From what i have seen public fields a

Answer 1

If you're not maintaining any invariants, then public fields are the way to go. If you do need an invariant across multiple members, then you need private fields and encapsulation.

But if you can't come up with any better names than GetFoo and SetFoo for the methods, it's a good clue that your getters and setters are probably worthless.