Introduction to TransmittableThreadLocal (TTL)

Thread-local variables are a common feature in multithreaded Java programming, enabling data isolation for individual threads. However, they fall short…

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Using Executors.newVirtualThreadPerTaskExecutor() in Java

Java introduced virtual threads with Project Loom to simplify concurrency and improve the scalability of applications. Virtual threads are lightweight…

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Reactive’s Looming Doom. Part IV: The End Of Reactive?

1. Introduction The last post discussed advanced concepts of the reactive approach and highlighted use cases where it shines. This post…

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Reactive’s Looming Doom. Part III: Advanced Reactive

1. Introduction The last post presented the fundamental concepts of the reactive approach, including a specification and its implementation. Now it is time…

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Reactive’s Looming Doom. Part II: Fundamentals of Reactive

1. Introduction The last post provided a comparison of multi-threading APIs throughout Java’s lifespan. In this post, we will dive…

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Reactive’s Looming Doom. Part I: Evolution

1. Introduction Multithreading in Java has come a long evolutionary way from the original monitor concept and threads mapped to…

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The dreaded double checked locking idiom in Java

The issue discussed in this article is not new, but still tricky even for seasoned developers. The singleton pattern is a…

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Java Best Practices – DateFormat in a Multithreading Environment

This is the first of a series of articles concerning proposed practices while working with the Java programming language. All…

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