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Java Articles by Foojay.io

September, 2026

  • 7 September

    Featured Foojay Authors for September 2026: Marit van Dijk and Graeme Robinson

    Author: Frank Delporte Original post on Foojay: Read More Foojay wouldn’t exist without the many contributions from its community, whether it’s a single post or an ongoing stream of knowledge sharing. That’s why we highlight two of them each month as Featured Authors. After Igor and Steve in July, and Cristobal and Shai in August, September belongs to Marit van …

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  • 7 September

    Bringing Raspberry Pico to Quarkus with Firmata

    Author: Igor De Souza Original post on Foojay: Read More Java applications are usually associated with APIs, databases, messaging systems, and cloud infrastructure. But Java can also interact with the physical world—reading sensors, controlling LEDs, driving motors, and communicating with microcontrollers. That is the goal of Quarkus Firmata, a new Quarkus extension that connects Quarkus applications to Firmata-compatible boards such …

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  • 4 September

    From Spec-Driven Development to Living Specifications in Java Projects

    Author: Maximillian Arruda Original post on Foojay: Read More From Spec-Driven Development to Living Specifications in Java Projects Coding agents have changed the speed at which we can produce software. But producing code faster does not automatically mean producing better software. As I started using agents more frequently in real-world software development, one question became increasingly important: how do we …

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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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