Java: is there no AtomicFloat or AtomicDouble?

Question

I have found AtomicInteger, AtomicLong, but where is AtomicFloat (or AtomicDouble)? Maybe there is some trick?

Answer 1

Are you sure you need it?

Atomic classes are designed primarily as building blocks for implementing non-blocking data structures and related infrastructure classes. The compareAndSet method is not a general replacement for locking. It applies only when critical updates for an object are confined to a single variable.

Here is an explanation of the problems that atomic variables were designed to solve.