What is a usecase for Java AtomicReference#getAndSet?

What is a usecase for Java AtomicReference#getAndSet? In other words, is it correct assumption, that if the only method from AtomicReference that I use in my code is AtomicReference#getAndSet, then I …

java – synchronization and volatile variable

I’ve read from this article that: …Synchronized blocks also guarantee that all variables accessed inside the synchronized block will be read in from main memory, and when the thread exits the …

Is it necessary to make `AtomicBoolean` also `volatile`?

My understanding: Declaring a variable volatile guarantees the visibility for other threads about writes to that variable. Essentially, every write to volatile variable happens-before subsequent reads….

Using volatile for skipping method execution

I’ve never used volatile very often. Is it possible to use it to skip method execution if another thread executing it? I think in the code below it’s still possible that multiple threads pass the …

why using volatile with synchronized block?

I saw some examples in java where they do synchronization on a block of code to change some variable while that variable was declared volatile originally .. I saw that in an example of singleton class …