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Java Articles by Foojay.io

April, 2026

  • 3 April

    Introducing Floci: A High-Performance, GraalVM-Powered AWS Emulator

    Author: Hector Ventura Original post on Foojay: Read More Table of Contents The Motivation: Why Another AWS Emulator?Technical Edge: Built with Java and GraalVMFeature CoverageGetting StartedJoin the Floci Community The Motivation: Why Another AWS Emulator? As Java developers, we are used to local-first development. Tools that emulate the cloud environment have become essential for keeping feedback loops tight and costs …

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  • 3 April

    Does Java Really Use Too Much Memory? Let’s Look at the Facts (JEPs)

    Author: Igor De Souza Original post on Foojay: Read More Table of Contents The reputation didn’t come out of nowhere.Modern Java: What Actually Changed? 1. Garbage Collection Is Not What It Used to Be 2. Threads Got Lighter (Much Lighter) 3. Java Objects Are Literally Getting Smaller 4. The JVM Learned to Share (CDS) 5. Java Finally Understands Containers 6. …

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  • 2 April

    Java Faceted Full-Text Search API Using MongoDB Atlas Search

    Author: Luke Thompson Original post on Foojay: Read More Table of Contents Let’s build!Prerequisites1. Project setup2. COCO data Data model Running MongoDB Atlas Data ingest into MongoDB Atlas Creating an Atlas Search index Example search 3. Java service implementation4. Java search Paging Filter clauses Facets Search (Optional) Refactoring to a better structureWrapping up This is going to be a fun, …

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  • 2 April

    Oracle’s Java Verified Portfolio and JavaFX: What It Actually Means

    Author: Frank Delporte Original post on Foojay: Read More Table of Contents Who Kept JavaFX Alive?OpenJFX Inspired Project SkaraWhat the JVP Actually ChangesJavaFX and the AI Visualization AngleA Note on the Community and Commercial DynamicsWhere Things Stand Oracle’s JavaOne 2026 brought an announcement that caught some attention in the Java community: the Java Verified Portfolio (JVP), a new program that …

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  • 1 April

    Grails Isn’t Done Yet (Part 2): EOL, Spring Boot, and What Comes Next

    Author: Steve Poole Original post on Foojay: Read More Table of Contents The inflexion point Where Grails versions stand today The Spring Boot gravitational pull What the risk actually looks like The practical middle ground Upgrade is an action, not a strategy Summary Resources In the companion article to this one, I looked at the revitalisation of Grails under the …

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March, 2026

  • 31 March

    Atlas Search Score Breakdown

    Author: Erik Hatcher Original post on Foojay: Read More Table of Contents Relevancy riddleScore detailsLucene insideLucene indexingLucene scoringBest matchesBreaking down the score detailsPretty printing the score detailsMystery solved!Compound is kingBoosting clausesRelevancy tuning: a delicate balance Full-text search powers all of our digital lives — googling for this and that; asking Siri where to find a tasty, nearby dinner; shopping at …

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  • 31 March

    JavaFX Links of March 2026

    Author: Frank Delporte Original post on Foojay: Read More Table of Contents CoreApplicationsComponents, Libraries, ToolsPodcasts, Videos, BooksMiscellaneousJFX Central Here are the JavaFX LinksOfTheMonth of March 2026. You can find the weekly lists on jfx-central.com. Did we miss anything? Is there anything you want to have included in one of the next overviews? Let us know via links@jfx-central.com. Core Java and …

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  • 30 March

    🤖 5 Best Practices for Working with AI Agents, Subagents, Skills and MCP

    Author: Jonathan Vila Original post on Foojay: Read More Table of Contents §0 Where This Fits in the Series§1 The Naive Architecture — and Why It Breaks§2 The Better Architecture — Multi-Agent with MCP§3 Before You Build: The Productivity Reality Check§3b Requirements First — The Bottleneck AI Doesn’t Remove The AI Unified Process IREB AI4RE — Requirements Engineering in the …

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  • 27 March

    The Java in Education Catalog Now Has a Beautiful Home

    Author: Frank Delporte Original post on Foojay: Read More Table of Contents Inspired by a Great Idea from James WardMeet education.foojay.socialThe Catalog Is Only as Good as the Community Makes ItWhat’s Next A few weeks ago, Igor De Souza shared Bringing Java Closer to Education: A Community-Driven Initiative here on Foojay. It’s something we started together to gather Java educational …

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  • 26 March

    Modeling One-to-Many Relationships in Java with MongoDB

    Author: Arthur Ribeiro Original post on Foojay: Read More Table of Contents What You’ll LearnPrerequisites Project Setup Configuring the MongoClient with POJO Support What Is a One-to-Many Relationship in Java?How Does MongoDB Store Documents Differently Than a Relational Database?Pattern 1: Embedded Documents When Should You Embed? Modeling Embedded Documents in Java Inserting and Querying Embedded Documents Pattern 2: References When …

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