{"id":6796,"date":"2026-11-08T03:47:47","date_gmt":"2026-11-08T06:47:47","guid":{"rendered":"https:\/\/tucumandevelopers.com\/index.php\/2026\/11\/08\/java-annotated-monthly-november-2026\/"},"modified":"2026-11-08T03:47:47","modified_gmt":"2026-11-08T06:47:47","slug":"java-annotated-monthly-november-2026","status":"publish","type":"post","link":"https:\/\/tucumandevelopers.com\/index.php\/2026\/11\/08\/java-annotated-monthly-november-2026\/","title":{"rendered":"Java Annotated Monthly \u2013 November 2026"},"content":{"rendered":"
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Agentic AI<\/a> AI<\/a> Coding<\/a> IntelliJ<\/a> IntelliJ IDEA<\/a> Java<\/a> JetBrains Air<\/a> Kotlin<\/a><\/p>\n

October kept the Java world busy, with JDK news, fresh tutorials, Kotlin updates, AI experiments, and plenty more from across the wider ecosystem. We\u2019ve gathered the best of it in one place, so you can skip the scrolling and get straight to the good stuff. To top it all off, Piotr Przyby\u0142 joins us as this month\u2019s featured guest.<\/p>\n

Let\u2019s go!<\/p>\n

Featured Content<\/h2>\n
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Piotr Przyby\u0142<\/h4>\n

Piotr Przyby\u0142<\/a>  \u2013 Notorious engineer at work and after hours, tracing the meanders of the art of software engineering. Remote Software Gardener, mostly working in web-oriented Java gardens. Java Champion. Docker Captain. Testcontainers Champion. Programming usually in Java (since 1.3), Scala, and Go, but in other languages too. Fan of agility, seen mostly as choosing the right tools and approaches after asking the right questions. Developer, trainer, and conference speaker, currently working at Elastic as a Senior Developer Advocate.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

Greetings, fellow Java developers! It\u2019s a pleasure to be here again \u2013 it\u2019s been three Java releases since the last time. We all know that means roughly 18 months, don\u2019t we? \ud83d\ude09
Both the world and our ecosystem were moving fast back then, and it seems they have only accelerated. This means one thing: good luck trying to keep up to date with everything. Luckily for us all, newsletters like this one help.<\/p>\n

The autumn conference season of 2026 is slowing down. It was a busy and exciting one, for me in particular, because Java 28 is already shaping up. And if you look at the list of JEPs already there, how can you not be excited? Structured Concurrency is set to become final<\/a> in March 2027, yay! Bye-bye, CompletableFuture, it was fun knowing you\u2026 not ;-). CF isn\u2019t going anywhere, but it won\u2019t be the best abstraction for concurrent subtasks. 
Apart from that, there\u2019s going to be one less thing for me to rant about, because Java is going to have (for now as an incubator module) a Simple JSON API. If your microservice only has to send one simple REST request with a JSON body, maybe this plus the JDK\u2019s HTTP client will be enough? You can learn about it from Dan Vega<\/a>.
There are going to be improvements to GCs and more performance goodies, but my personal favourite is going to be Value Objects, because 42 is always 42, and it shouldn\u2019t need an identity crisis to answer everything. I believe VOs will change the way we think about and work with data in Java. The need for this improvement is already here, because AI, like it or not, also means exchanging an awful lot of tokens and vectors.<\/p>\n

To give you a taste of that, the following code yields different results on a default HotSpot configuration, with and without the value-object preview enabled:<\/p>\n

Integer x = 1024, y = 1024; IO.println(x == y)<\/pre>\n
Intrigued? For more, please check out my post Java isn\u2019t dead yet, but it can\u2019t avoid Valhalla<\/em><\/a>.<\/p>\n
You may say, \u201cOkay, but these are preview features or incubator modules; they can\u2019t be used in production.\u201d That\u2019s not a blanket rule, although compatibility and support deserve a closer look. Sometimes even a non-GA feature of Java can be mature and worthwhile enough for you to make it a part of your library and code. I\u2019m talking about the Vector API<\/a> already being used in Lucene and Elasticsearch, and you can learn more about how it powers semantic search in them in one of my recent talks<\/a>. If you prefer reading about SIMD, Krzysztof \u015alusarski has you covered with this post<\/a>.<\/p>\n
I could go on and on about the exciting stuff in recent and upcoming Java releases. Marit van Dijk<\/a> and I weren\u2019t quite able to curb our enthusiasm for them, as can be seen in  this three-hour-long deep dive<\/a> from Devoxx Belgium \ud83d\ude05. (We simply forgot to take a break, sorry!)
If you can spare just one hour, here\u2019s a shorter and more compact version<\/a> from Hello Stavanger.<\/p>\n
A big congrats to Marit, my partner on stage, for becoming the most ubiquitous Java speaker<\/a> for 2026!<\/p>\n
Java News<\/h2>\n
Catch up on the latest updates: <\/p>\n