I've had this question for quite a while now, trying to read lots of resources and understanding what is going on - but I've still failed to get a good understanding of why things are the way they ...

Can some one explain what AtomicLong is used for? For example, what's the difference in the below statements? private Long transactionId; private AtomicLong transactionId;

I need to perform the following operation: // average, total, elapsed are Long's average = ( ( total * average ) + elapsed ) / (++total); But I want to use AtomicLong This is what I'm trying ...

I am using incrementAndGet method of AtomicLong in my multithreaded code to measure the performance of some of our client side code. @Override public void run() { long start = System.nanoTime()...