Learn how to install Java OpenJDK 15 on macOS Catalina by downloading the .tar.gz file from OpenJDK. (more…)

After working with Java 8 for the better part of a year, I have to say I find its new “Functional” features both useful and aggravating at the same time.  If you’ve used true func… (more…)

This architecture principle was created by [1] Alistair Cockburn in 2005. This is one of the many forms of DDD(Domain Driven Design Architecture). The goal was to find a way to solve or otherwise… (more…)

As I've said before, I'm working on a book about lifetimes. Or maybe it's just a long series - I haven't decided the specifics yet. Like every one of my series/book things, it's... (more…)

The Java hashmap is a widely used data structure! Won't it be awesome if you knew how it actually works behind the scenes? (more…)