Using volatile vs AtomicInteger in Java concurrency

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When to use volatile, and when to use Atomic counterparts like AtomicInteger? What are the advantages and use cases of each?

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Not saying for the sake of saying but after visiting a lot of other channels I always come back to your videos for anything related to multithreading. You are simply awesome.

bhaaratsharma

"The Best Content" for concurrency in java. Thanks much!

rohithp

Hey man. I know this is already a 2year old video but I would like to express my thanks for putting these videos and I really learned a lot. Anything related to threads and concurrency in Java have been very intimidating for me and I always thought it's not important as I'm doing well in my current role in the company I'm working with. However, I realized my career as a software engineer is in rot due to not taking risks and for not taking on challenges by exploring what is out there for me.

I applied for Canva(spoiler: didn't got the job) and since then, I started watching your videos and practice coding related to java concurrency because it was advised on their role description. I'm still brokenhearted by the feedback that I didn't pass their first coding exam, hence, was not able to apply what I've learned from you. I'm still very thankful for what I've learned from your videos and made me more interested in this part of java.

Keep on making videos. Thanks!

dig

Done thanks

0:40 changing a variable in one thread will NOT reflect in the other thread. (Threads both have access to the variable, but each thread running on a different core the cpu has a local cache of the variable)

2:30 volatile solves visibility issue but doesn’t solve synchronization issues (when both threads are modifying the same variable, both could increment but the value is only +1 instead of +2)

4:50 solving synchronization with synchronized keyword

5:15 atomic variables provide atomic operations (incrementong happens as one operation instead of read then increment then write, where both threads could be running together)

6:30 which variables to make volatile and which values to make atomic

mostinho

Probably the most comprehensive explanation I've seen yet (recommend listening at 1.5x), thanks alot!

Kp

Clear and precise explanation...Best Ever!!! Plz Upload more core java concepts

swapnilankalkhope

Best Explanation, I have searched for volatile for so long, but understand here. Thanks

NikhilSawant

After reading hundreds of resources finally I got the answer her. How to and where to use Volatile and Atomic variables.

mukeshsinghdance

such a simple quick explanation. I keep coming on this channel for multi-threading concepts every once in a while

yadavankit

This is by far the best explanation of synchronization I ever seen, thanks for that!

chernanq

Perfect explanation!! I hope whoever watches this video, for sure they will get the idea of volatile and atomicInteger. Would you explain more about AtomicReference Class and its usage.

vijayakumarvj

It could not be more simpler. Thanks a ton.

jasper

This is the best that you can do in 7 minutes to explain these relatively confusing concept.

pandit-jee-bihar

i have 8 year exp and preparing for a major interview..all your videos are absolutely to the point. Cheers

gauravjoshi

2 main concepts explained in 7 minutes, hatsoff!!

hemalnakrani

I never seen this type of video how crystally explain each concept through out the example u have really gud command of mutithreading 👍🙏

pratapjavasingh

Your videos are awesome .The lucid manner in which the concepts are explained is of the highest quality. Please continue making videos and never slow down.

bhartisingh

Huge Salute/respect to you sir. I always first like the video before starting and then start watching.

contactdi

This is one of the clearest explanations I got about volatile and Atomic on the internet. Well done.

neerajmathur

The best video about the keyword volatile!! Hands Down

hareeshrajendran

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