Allow value classes to opt in to implicit instance creation in certain circumstances in exchange for optimized field and array storage. This is a preview language and VM feature. (more…)

Java Coding Problems, published by Packt. Contribute to PacktPublishing/Java-Coding-Problems development by creating an account on GitHub. (more…)

It is not uncommon that we need to represent an array of Boolean (true or false) values. There are multiple ways to do it. The most natural way could be to construct an array of booleans (the native Java type). It is likely that when stored in an array, J... (more…)

Good application developers use existing libraries rather than reinventing every wheel. This is particularly true on the JVM, where there are a huge number of wheels to choose from. So in addition to writing good code, developers need be able to ass... (more…)

This article explores JDK 21's virtual threads, comparing their performance with Open Liberty's thread pool. It covers key findings like throughput, ramp-up times, and memory footprint. Despite advantages, virtual threads showed unexpected performance iss... (more…)