Java 8: Definitive guide to CompletableFuture

Java 8 is coming so it’s time to study new features. While Java 7 and Java 6 were rather minor…

Read More »

Synchronising Multithreaded Integration Tests revisited

I recently stumbled upon an articleSynchronising Multithreaded Integration Tests on Captain Debug’s Blog. That post emphasizes the problem of designing…

Read More »

Why a synchronized StringBuffer was never a good idea

Introduction StringBuffer is a synchronized class for mutable strings.  The main problem with making it synchronized is that It was…

Read More »

Inadvertent Recursion Protection with Java ThreadLocals

Now here’s a little trick for those of you hacking around with third-party tools, trying to extend them without fully…

Read More »

Detecting Java Threads in Deadlock with Groovy and JMX

Unfortunately, Java applications taking advantage of multiple threads can at times run into the dreaded deadlock condition. Fortunately, the Java…

Read More »

Advanced ListenableFuture capabilities

Last time we familiarized ourselves with ListenableFuture. I promised to introduced more advanced techniques, namely transformations and chaining. Let’s start…

Read More »

My Custom Thread Pool Executor in Java

ThreadPoolExecutor is a feature added by java concurrent api to maintain and reuse threads efficiently , so that our programs…

Read More »

ListenableFuture in Guava

ListenableFuture in Guava is an attempt to define consistent API for Future objects to register completion callbacks. With the ability…

Read More »

Implementing custom Future

Last time we learned the principles behind java.util.concurrent.Future<T>. We also discovered that Future<T> is typically returned by libraries or frameworks.…

Read More »