Recent posts

Minecraft terminology for Java developers

My eldest kid – 11 at the time of writing – has been into Minecraft for some time now. I tried to motivate him on various ages to do some kinda programming with me. We tried Scratch, Lego Mindstorms (one of the few sets that is gathering dust) and a couple of other things. We […]

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Music 2020. Wrapped.

Everyone and their dog is posting their Spotify Wrapped thing. It’s 2020, i still don’t have Spotify, but despite my increasing age, I still listen to a ton of music. When I started to work remotely back in 2018, one of the biggest perks for me was – apart from not having to commute – […]

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About the tooling available to create native GraalVM images.

A couple of days ago I sent out this tweet here: I wonder if the speed or elasticity gain by GraalVM native applications can make up for all the work put into frameworks to make them run on Substrate. — Michael Simons (@rotnroll666) September 11, 2020 This tweet caused quite some reaction and with the […]

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Hacking with Spring Boot 2.3

A couple of weeks ago, I received a paper copy of “Hacking with Spring Boot 2.3 – Reactive Edition” by Greg L. Turnquist. Greg sent this copy to me free of charge for a review. Thanks for that! I’m happy about the opportunity to read a new Spring Boot book after I published one myself […]

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Rewriting and filtering history

In my role as a Spring library developer at Neo4j, I spent the last year – together with Gerrit on creating the next version of Spring Data Neo4j. Our name so far has been Spring Data Neo4j⚡️RX but in the end, it will be SDN 6. Anyway. Part of the module is our Neo4j Cypher-DSL. […]

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Die deutsche “Corona-Warn-App” CWA

Im Jahr 2020 passieren einige Dinge, die wohl kaum ein Mensch Ende des vergangenen Jahres hätte ahnen können. Die COVID-19 Pandemie ist es nicht… Führende Stimmen warnten schon lange. Die Pandemie ist allerdings Auslöser für vieles. So auch für die deutsche Variante der aktuell überall erscheinenden Corona-Tracing-Apps, die “Corona-Warn-App” beziehungsweise kurz CWA die nun von […]

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About

Hi! My name is Michael Simons. I live in Aachen and create software for a living. You can read more about me on the "About me" page. This blog mostly contains posts about Java and Softwarearchitecture with a strong focus on the Spring eco system.
Below is a list of featured posts and a collection of talks. Featured posts are either part of a bigger series, have a relevance somewhere else or are just posts I like.
See all posts in the archive. Just another nerd blog is more than 10 years old and the archive has become quite huge.
Good stuff cannot be achieved alone. A salute to several great people in my life: NetBeans Dream team and more. And certainly, lots of ❤️ to my family and my wife who always supports me and my crazy ideas.