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While at the hospital for the birth of our second child, I was reading Java by Comparison, and liked their teaching style. Fast-forward to our last day there, I was taking a quick, scalding-hot shower, and thought, “Hey, it would be cool if there was a cheatsheet on how to do common list operations in Java”. The thing you’re reading is my go at that.

Optional has been around since Java 8. And while I’ve heard of this magic box for some time, I’ve only recently explored it in-depth. I stumbled upon the video Optional - The Mother of All Bikesheds by Stuart Marks and quite liked it. I’ll adapt some of Stuart’s snippets in this post to give a gentle introduction.

Why didn’t I just use Node.js or Python? Hey, you’re getting distracted. That’s not what this post is about. Just enjoy how hard someone else had to work to achieve this in Bash.

If fall isn’t here yet, it will be soon.

One of my all time fav desserts, courtesy of my wife’s Mawmaw Maurice.