What is AtomicInteger and when to use?
Besides, what is the use of AtomicInteger?
Among them, the AtomicInteger class is a wrapper class for an int value that allows it to be updated atomically. The class provides useful methods, some of which will be shown in the code snippet below. The most common use of the AtomicInteger is to handle a counter that is accessed by different threads simultaneously.
Similarly, it is asked, is AtomicInteger thread safe?
AtomicInteger uses sun. misc. Unsafe underneath to perform the atomic updates. So, in answer to your question, yes, AtomicInteger is thread-safe.
Atomic Variables in Java. The most commonly used atomic variable classes in Java are AtomicInteger, AtomicLong, AtomicBoolean, and AtomicReference. These classes represent an int, long, boolean and object reference respectively which can be atomically updated.