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
September, 2026
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3 September
Building an Agentic Warehouse Management System — Part 3: Tools, Decisions, and Actions
Author: Ricardo Mello Original post on Foojay: Read More Building an Agentic Warehouse Management System — Part 3: Tools, Decisions, and Actions If you haven’t read the first two parts yet, I recommend starting with Part 1: Where AI Agents Add Value and Part 2: Designing and Planning the Agent. There, we introduced the WMS scenario, discussed where an AI …
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3 September
Building an Agentic Warehouse Management System — Part 2: Java and Spring AI
Author: Ricardo Mello Original post on Foojay: Read More Building an Agentic Warehouse Management System — Part 2: Java and Spring AI If you arrived here without reading the first part, I recommend starting with Agentic WMS — Part 1: Where AI Agents Add Value. There, we introduced the WMS scenario, explored the replenishment problem, and discussed where an AI …
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3 September
Building an Agentic Warehouse Management System — Part 1: Where AI Agents Add Value
Author: Ricardo Mello Original post on Foojay: Read More I spent a large part of my career working in banking and logistics. In logistics, I spent more than eight years working across different stages of logistics systems, from development to implementation and production support. That experience shaped the way I think about technology. Knowing a tool or framework is important, …
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3 September
Did Your AI Agent Run the Debugger? One JVM Bug, Two Agent Runs
Author: Viktoria Evdokimova Original post on Foojay: Read More Java developers reach for the debugger without thinking about it. Set a breakpoint, run the failing test, look at the variables, then decide what to change. Most AI coding agents I have watched skip that step. They read the stack trace, read the source, and propose a patch. The reasoning can …
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3 September
No Database Operations Found: What Writing a Spring Boot Analyzer Taught Me About Spring
Author: Braham Shakti Original post on Foojay: Read More I spent months building a static analyzer that answers one question about a Spring Boot codebase: if I change this endpoint, what does the change reach? Every serious bug I found in it had the same shape. Not a wrong edge in a graph. Not a missing feature. A confident absence …
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2 September
MongoDB Search Server, improved!
Author: Erik Hatcher Original post on Foojay: Read More In this article, we’re going to revisit and improve the MongoDB Search Server originally described in the article How to Build a Search Service in Java with MongoDB. First, let’s remind ourselves why an intermediate search service deserves our attention and effort: Search powers the most important part of your application, …
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1 September
Aggregation Optimization in MongoDB: Sorting With Indexes (Part 5)
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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1 September
Announcing BX-WORD: Native Microsoft Word Automation for BoxLang
Author: Cristobal Escobar Original post on Foojay: Read More Every enterprise runs on Word documents. Contracts. RFPs. Proposals. Board reports. Offer letters. HR handbooks. Compliance policies. Invoices. Statements of work. Legal memos. Today, we are incredibly proud to announce bx-word 1.0.0, a first-class, fluent, production-ready module for creating, populating, and transforming Microsoft Word documents natively in BoxLang. This is not …
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August, 2026
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31 August
Aggregation Optimization in MongoDB: Data Duplication to Improve Read Performance (Part 4)
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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31 August
JavaFX Links of August 2026
Author: Frank Delporte Original post on Foojay: Read More Here are the JavaFX LinksOfTheMonth of August 2026. We took a summer break, so there was only one “Links Of The Week” this month, and it covers all of August. We hope you had a great summer and are ready for more JavaFX news in the coming weeks! You can find …
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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.










