Op 7 juli verzamelden 20 enthousiaste deelnemers zich op het OpenValue-kantoor in Utrecht voor de …
Read More »NLJUG Speaker Academy: 20 toekomstige sprekers, één geweldige avond
Op 7 juli verzamelden 20 enthousiaste deelnemers zich op het OpenValue-kantoor in Utrecht voor de ee…
Devmio.nl our Learning and Knowledge platform free for all our NLJUG Members
Three weeks ago, as part of your NLJUG membership, you received access to Devmio.nl, our new learnin…
NLJUG SPEAKER ACADEMY 2026
It seems like J-Fall 2026 is still far away, but the call for papers is open and we are looking for …
J-Spring 2026 The International Java Conference by NLJUG June 4th
In two weeks, J-Spring is finally here, and the entire team is really looking forward to it! The pre…
Oracle brengt Java 26 uit
De nieuwe release bevat 10 voorstellen voor verbeteringen aan de JDK (JDK Enhancement Proposals) die…
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Java Magazine is now also available digitally on Devmio.nl
The Java Magazine, which every NLJUG member receives four times a year in print, is …
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An Exploration of Cutting-Edge Updates – Ana-Maria Mihalceanu
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Java Magazine 4
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Java Magazine 3 is uit
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JAVA MAGAZINE 2 – 2025
Java Articles by Foojay.io
August, 2026
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29 August
Jakarta Faces, Java Web Framework, Stateless Edition: Marketplace AliFaces
Author: Angelo Rubini Original post on Foojay: Read More A Fully Stateless Jakarta Faces Marketplace with Server-Side Rendering — No HttpSession, No Saved ViewState, No Sticky Sessions (see the poc on: AliFaces POC Run On Oracle OCI(Nanos Unikernel)) Jakarta Faces still carries a few persistent assumptions: it is stateful, it requires HttpSession, it needs sticky sessions to scale horizontally, and …
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29 August
Running DuckDB’s JDBC Driver in a GraalVM Native Image
Author: Geertjan Wielenga Original post on Foojay: Read More DuckDB is an in-process analytical database. You add one JAR to a Java project and get a SQL engine that reads CSV, Parquet, and JSON files directly, with no server to run. GraalVM Native Image compiles a Java program ahead of time into a standalone executable that starts in milliseconds and …
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29 August
SQLite Across Every Port: One Contract, One Encrypted File Format
Author: Shai Almog Original post on Foojay: Read More The original com.codename1.db implementation delegated SQLite calls to the database supplied by each operating system. We knew this was less portable than the rest of Codename One, but fixing it meant taking ownership of SQLite on every target. That looked like a deep rabbit hole, so we exposed escape hatches instead. …
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28 August
App Shield: Your Server Should Not Trust the App Calling It
Author: Shai Almog Original post on Foojay: Read More Any security check that runs only on a phone can be patched out on that phone. App Shield moves the final decision to your server by attaching a short-lived, server-verified attestation token to protected requests. What is Codename One? Codename One is an open-source framework for building native iOS, Android, desktop, …
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25 August
BoxLang 1.16.0 Released!
Author: Cristobal Escobar Original post on Foojay: Read More BoxLang 1.16.0 is here, closing 50 issues across new features, improvements, and bug fixes. The theme running through this release is control: control over how HTTP clients are created and reused, control over what happens when a request fails, control over how much data a response is allowed to buffer, control …
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25 August
Scripting in small apps: you don’t need a container for a macro
Author: Austin Lehman Original post on Foojay: Read More Disclosure: I maintain Aussom, an Apache 2.0 interpreted language for the JVM. It’s the approach I argue for here, and I have tried to be clear about where it is the wrong choice. Your app has a scripting feature, or it should: a macro system, a rules layer, plugin hooks, something …
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24 August
What’s New In The August 2026 Azul Payara Release?
Author: Dominika Tasarz Original post on Foojay: Read More The August 2026 release brings Azul Payara Server and Micro 7.3.0, Azul Payara Community 7.2026.8, Azul Payara Server and Micro 6.41.0, Azul Payara Server and Micro 5.90.0, and Azul Payara Server and Micro 4.1.2.191.58. The headline is in the Community edition. Azul Payara Community 7.2026.8 ships support for MicroProfile 7.1 and …
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22 August
Offline Crypto Address Validation in Java
Author: Oleksandr Dendeberia Original post on Foojay: Read More Backend validation often starts with simple questions. Is the input empty? Does it have the expected shape? Can it be parsed? Does it belong to the selected domain? Crypto wallet addresses are no different, except the formats vary across chains and simple regular expressions are rarely enough. If a Java backend …
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22 August
The Third-Generation GUI Builder: One Workspace for Every Form
Author: Shai Almog Original post on Foojay: Read More We have rebuilt the Codename One GUI Builder again. This is its third generation. The interesting part is not another drag-and-drop surface. It is what we kept, what Maven broke, and why a visual editor must understand the whole project instead of opening one generated form at a time. What is …
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21 August
Aggregation Optimization in MongoDB: Optimizing Many-to-Many Relationships (Part 3)
Author: Graeme Robinson Original post on Foojay: Read More And why MongoDB might be a better relational database than you ever realized. Design reviews are one-on-one meetings where MongoDB experts deliver advice on data modeling best practices and application design challenges. In this series, we are going to explore common real-life scenarios where design reviews helped developers achieve meaningful success …
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NLJUG – Nederlandse Java User Group NLJUG – de Nederlandse Java User Group – is opgericht in 2003. De NLJUG verenigt software ontwikkelaars, architecten, ICT managers, studenten, new media developers en haar businesspartners met algemene interesse in alle aspecten van Java Technology.










