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Java Articles by Foojay.io

May, 2024

  • 10 May

    SQL Query Optimization: How to Identify and Optimize Slow SQL Queries

    In this article, we want to share our experience with fellow developers and offer insights using real-life examples on how to identify and optimize slow SQL queries, especially when working with relational database management systems like PostgreSQL, MySQL, MSSQL, Oracle, etc. If you are a developer who doesn’t use database ORMs like Hibernate that much, you are no stranger to …

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  • 9 May

    Spring AI: How to Write GenAI Applications with Java

    Generative AI (GenAI) is currently a hot topic in the tech world. It’s a subset of artificial intelligence that focuses on creating new content, such as text, images, or music. One popular type of GenAI component is the Large Language Model (LLM), which can generate human-like text based on a prompt. Retrieval-Augmented Generation (RAG) is a technique that enhances the …

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  • 9 May

    Duplicate Finder for Documentation

    Anyone who worked on technical documentation in a big team is certainly aware of the content duplication issue. Even with the best tools and practices at hand, duplication is fundamentally difficult to overcome. As the project grows in size, duplicated content will start to occur. This is especially true for big projects including many similar products or features. Good: define …

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  • 8 May

    Is your Java application ready for the next generation of server CPUs?

    If you only know about Arm CPU architecture from working on smartphones or Raspberry Pi devices, it might come as a surprise to you that there are also high-performance, cloud-scale Arm CPUs already on the Java market. The share of cloud and server workloads running on Arm is increasing every year. Back in 2011, Arm released the AArch64 instruction set, …

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  • 7 May

    Let’s Replace the synchronized Keyword

    Let’s see in this article different ways to replace the synchronized keyword to make our code more virtual threads friendly. Lines of code of the different solutions discussed in this article Synchronized and pinning threads Since Java 21, we can enjoy virtual threads and have more than 1 million threads in Java.But it has a condition, the virtual thread shouldn’t …

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  • 7 May

    Remotely Recording a JFR Log from a Container (Without Using the Command Line)

    Java Flight Recorder (JFR) is the go-to technology for recording and viewing JVM and system metrics. JFR records JFR logs which reveal much about the running application, the health of the JVM and the stability of the system. JFR logs are easily obtained by simply going into the command line / terminal and entering a few commands. But what if you …

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  • 6 May

    Why This JCON Europe Talk Is Unmissable (Part 2)

    JCON Europe in Cologne is around the corner (and here are your free Foojay JCON tickets), May 13 to 16. Why should you go? Well, one reason is that the talks will be awesome. Here’s the start of a series of reasons why some of them are absolutely unmissable! Jakarta EE 11 – Performance and Developer Productivity – Ivar Grimstad Thursday, …

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  • 6 May

    Foojay Podcast #48: JUG Oberpfalz, JCON Conference, and JAVAPRO Magazine

    Once a month, in the Foojay Podcast, we discuss the history of a Java User Group and the people behind it. In this episode, we are in Oberpfalz, Germany, for a particular reason; the organizers of the local JUG are the same people responsible for the JCON conference in Cologne in a few weeks. Let’s also learn more about this …

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  • 2 May

    Writting a Data Orchestrator in Java

    A data orchestrator is a platform to schedule, organize, and monitor data-oriented workflow. A workflow is a set of tasks, most data orchestrators come with built-in tasks for a wide range of technologies and provide support for custom processing via a scripting language. A data orchestrator can have multiple types of triggers to start a workflow. Most Data orchestrators are …

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  • 2 May

    Crowd-Publishing the 10x Java Dev Book

    Java transformed the world of software development as we know it and continues to evolve as a platform and language. Nevertheless, the “enlightenment roadmap” of a Java developer can be scary. How do you become the 10x Java Developer you always dreamed of becoming? That’s the question Steve Poole and Olimpiu Pop embarked on to respond. And, what better way …

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