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hanno.codes is the personal website of Hanno Embregts, a Java Developer with a passion for learning, teaching and making music.

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latest blog posts

Java 21 is Available Today, And It’s Quite the Update

45 minute read ◦ posted on 19 Sep 2023 by Hanno Embregts .

Java 21 is available today, and it’s quite the update. It brings us 15 (!) JEPS, finalizing features like Record Patterns & Virtual Threads and previewing new ones like String Templates. This blog post has all the info!

It’s Java 20 Release Day! Here’s What’s New

22 minute read ◦ posted on 21 Mar 2023 by Hanno Embregts .

This will be a good day, because it’s Java 20 release day! It’s been six months since Java 19 was released, and so it’s time for another fresh wave of Java features. This post will take you on a tour through all JEPs that come with this release and give you a brief introduction of each one of them. Where applicable the differences with Java 19 are highlighted and a few typical use cases are provided, so that you’ll be more than ready to use these features after you’ve finished reading!

Exploring sustainability in tech (without the guilt-trips)

7 minute read ◦ posted on 14 Nov 2022 by Hanno Embregts , Julien Lengrand-Lambert , Jan-Hendrik Kuperus & Jan Ouwens .

Climate change is a thing that affects us all. As developers, we are in a unique position to help do something about this. After all, the whole world runs on computers these days, and computers consume energy. We, developers, program these computers, and the decisions that we make have consequences beyond the business domain we code for. Also, as employed people living in Europe or North-America, we belong to the top 10% of richest people on the planet.

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