Classic Layout

CAP in the Pocket: Developing Java Applications on your Phone

Author: Johannes Bechberger Original post on Foojay: Read More Table of Contents TermuxDevelop Directly in TermuxUse an Emulated UbuntuSAP CAP SFlightBuilding and Running SAP CAP SFlightModifying the Application via VSCodeAndroid Linux TerminalExtra: CAP-in-the-Pocket VSCode ExtensionConclusion Smartphones are more powerful then ever, with processors rivaling old laptops. So let’s try to use them like a laptop to develop web-applications on the …

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Carbon Aware Job Processing With JobRunr v8

Author: Nicholas D’hondt Original post on Foojay: Read More Table of Contents What is JobRunr?Carbon Aware Job Processing Carbon Aware Configuration What If There Is No Forecast? Conclusion As we produce, mutate, configure, and consume more and more data in various shapes and forms, think: video on demand, AI ingestion and generation of content, Internet of Things always-on connectivity, and …

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When ReadyNow Can Only Compile on Traffic Loads

Author: Frank Delporte Original post on Foojay: Read More Table of Contents Compilation only happens on traffic loadsReadyNow waits for class loadingHow to fix this? Identifying the problem Calling the identified code Readiness check Example with Spring Petclinic Run without a ReadyNow profile Run with a ReadyNow profile Generational ReadyNow profilesResultConclusion This is the fifth and final blog post in …

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Data Modeling for Java Developers: Structuring With PostgreSQL and MongoDB

Author: Aasawari Sahasrabuddhe Original post on Foojay: Read More Table of Contents Relationships in databases One-to-one relationship One-to-many relationship Many-to-many relationship Relational vs. document databasesPostgres implementation with JavaMongoDB implementation with JavaScalability and performanceMigration considerations Rethinking schema design Replacing joins with aggregations Conclusion Application and system designs have always been considered the most essential step in application development. All the later …

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Java 21+ Not Working on the Raspberry Pi Zero 2

Author: Frank Delporte Original post on Foojay: Read More Table of Contents Problem on Raspberry Pi Zero 2Differences Between RPi Zero 2 and RPi 4Changes in Java 21WorkaroundCompare Boards This story is about how “Write Once, Run Anywhere” got broken in a specific use case. It reveals the complexity of maintaining this “Run Anywhere” principle. At the same time, it …

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Kotlin adoption inside ING, five years later

Author: Julien Lengrand-Lambert Original post on Foojay: Read More Table of Contents The share of Kotlin code at INGLooking at trends over timeHow many flavors does a repository contain?And what about newer projects?A message from the communityA word of conclusion TL;DR: Five years after its introduction Kotlin adoption inside ING keeps growing year after year, with a current adoption rate …

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A Well-Attended Evening at the NLJUG Speaker Academy

Despite the rising temperatures, the first of three NLJUG Speaker Academy sessions was a great success last night. The evening was hosted by, among others, Bert Jan Schrijver. These sessions are all about sharing knowledge on the do’s and don’ts of giving a successful conference talk. Knowledge sharing is a core value of NLJUG. If we can share that knowledge …

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Java Virtual Threads in Action: Optimizing MongoDB Operation

Author: Otavio Santana Original post on Foojay: Read More Table of Contents PrerequisitesStep 1: Create the Product entityStep 2: Create the ServiceStep 3: Expose the Camera APIStep 4: Build and run the applicationStep 5: Test the APIConclusion Virtual threads have become one of the most popular resources in Java and are trending inside the language. Indeed, this resource introduced a …

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Foojay Podcast #74: JCON Report, Part 3 – AI, ChatGPT, LLM, ML, RAG, MCP, GenAI, and more!

Author: Frank Delporte Original post on Foojay: Read More Table of Contents VideoPodcast (audio only)Content Let’s have an AI Bingo and talk about ChatGPT, LLM, ML, RAG, MCP, GenAI, and more! This is part 3 of the interviews recorded at the JCON conference in May. In the previous parts, you learned more about how to be a better Java developer …

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JavaFX Links of June 2025

Author: Frank Delporte Original post on Foojay: Read More Table of Contents CoreApplicationsGamesComponents, Libraries, ToolsPodcasts, Videos, BooksConferencesTutorialsMiscellaneousJFX Central Here is the overview of the JavaFX LinksOfTheMonth of June 2025. 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. …

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