What is AtomicInteger and when to use?
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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.
Also, what is an atomic integer? The AtomicInteger class provides you with a int variable which can be read and written atomically, and which also contains advanced atomic operations like compareAndSet() . The AtomicInteger class is located in the java. util. concurrent. atomic package, so the full class name is java.
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.
What are atomic classes in Java?
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.