Suppose you've got a critical section of code, meaning only one process should execute it at a time. In the Java world, one solution is to slap synchronized on the method and call it a day. In Kotlin, we use @Synchronized to get the same effect: repeat(... (more…)

A dual-purpose tutorial to 1) Demonstrate how to implement the Simple Query Protocol, where Java is an implementation detail; 2) Show practical examples of most of the new features since JDK 17, including Records, Sealed Types, Pattern Matching for Switch... (more…)

picocli - Annotation-based Java command line parsing library. Usage help with ANSI colors. Autocomplete. Nested subcommands. Easily included as source to avoid adding dependencies. (more…)

Concurrent applications, those serving multiple independent application actions simultaneously, are the bread and butter of Java server-side programming. The... (more…)

The new JEP 434 has just seen daylight and describes the second preview of the ”Foreign Function & Memory API” (or FFM for short) which is going to be incorporated in the upcoming Java 20 release! In this article, we will take a closer look at some of... (more…)