Scalable Counters For Multi Core

Counters are required everywhere , for e.g. to find key KPI of application, load on application, total number of request…

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Simple and lightweight pool implementation

Object pools are containers which contain a specified amount of objects. When an object is taken from the pool, it…

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5 Things You Didn’t Know About Synchronization in Java and Scala

Practically all server applications require some sort of synchronization between multiple threads. Most of the synchronization work is done for…

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Java FutureTask Example Program

Sometime back I wrote a post about Java Callable Future interfaces that we can use to get the concurrent processing…

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Lock Less Java Object Pool

It has been a while since I wrote anything, I have been busy with my new job that involves doing…

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Invoking Async method call using Future object in Spring

The next example will demonstrate an async method call inside the Spring container. Why do we need async method calls?…

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Experiment with ConcurrentHashmap

I am investigating a memory issue in one of my recent projects where data is kept in memory for fast…

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Five advanced Java Synchronizers you probably don’t know

Besides the common synchronize which is based in the lock bit that every Java object has, you have more sophisticated…

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Java 8: CompletableFuture in action

After thoroughly exploring CompletableFuture API in Java 8 we are prepared to write a simplistic web crawler. We solved similar…

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