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Java Articles by Foojay.io

September, 2023

  • 21 September

    Using JLink to create smaller Docker images for your Spring Boot Java application

    Containers bring new flexibility and agility to software development and deployment. However, they also introduce a new attack surface that malicious actors can exploit. A compromised container can give an attacker access to other containers and even the host system. Smaller images that contain fewer artifacts are already a great help in achieving a smaller attack surface. In this article, …

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  • 21 September

    Monkey-patching in Java

    The JVM is an excellent platform for monkey-patching. Monkey patching is a technique used to dynamically update the behavior of a piece of code at run-time. A monkey patch (also spelled monkey-patch, MonkeyPatch) is a way to extend or modify the runtime code of dynamic languages (e.g. Smalltalk, JavaScript, Objective-C, Ruby, Perl, Python, Groovy, etc.) without altering the original source …

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  • 20 September

    Easily Manage Different Java Versions on Your Machine with SDKMan!

    So, you’re a Java developer, or maybe you’re aspiring to be one. Either way, you’ve probably faced the challenge of managing multiple versions of Java on your machine. One project requires Java 8, but another needs Java 11, yet another requires Java 17. The open-source library you’re keen on contributing to needs yet another version. What do you do? You …

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  • 20 September

    Exploring the Impact of Stack Size on JVM Thread Creation: A Myth Debunked

    Among Java developers, a prevailing assumption is that the number of native threads that can be created within the Java Virtual Machine (JVM) is linked to the stack size. To scrutinize this widespread notion, an experiment was conducted. The results revealed that stack size plays a less significant role in native thread creation than previously thought. The Experiment The experiment …

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  • 19 September

    Foojay Podcast #28: Java 21 Has Arrived!

    Since 2018, we get a new version of Java every 6 months. And version 21, released during today, is a long-term support version that can be used for many years. It also brings a lot of new features and improvements in both the language and the runtime. Actually, there are so many that we’ll probably not get all of them …

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  • 19 September

    Exposing your data using Spring GraphQL

    In this article, we’ll take an introductory look at how we can use Spring GraphQL in our Java applications. GraphQL is a query language (hence the QL) that in conjunction with a framework such as Spring GraphQL can be used to efficiently manage our data, and even reuse existing services. It has 2 core concepts: queries: used to define which …

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  • 19 September

    Java 21 is Available Today, And It’s Quite the Update

    Today’s the first day of Java 21’s availability! It’s been six months since Java 20 was released, so it’s time for another fresh wave of Java features. This post takes you on a tour of the JEPs that are associated with this release and it gives you a brief introduction to each of them, and check out the Java 21 …

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  • 18 September

    New User Interface for JFX Central, the Home for All JavaFX Information – Part 1

    Just like Foojay is the starting place for all info related to Java, JFX Central is the place to be for all JavaFX info. The website is a project started by Dirk Lemmermann and has been online since 2021. The team has expanded since then, and the content has been extended, partially by the team, but also thanks to many …

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  • 18 September

    New User Interface for JFX Central, the Home for All JavaFX Information – Part 2

    In part 1 of this series, we looked into the new design of JFX Central, the place to be for all JavaFX info. JFX Central is a not-for-profit team effort. Many people are involved, and any issue or pull request provided by anyone from the JavaFX community helps to improve and extend the website, application, and data. I reached out …

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  • 18 September

    Book Review: “OpenJDK Migration for Dummies”

    I recently read the free book OpenJDK Migration for Dummies by Simon Ritter. Simon is the Deputy CTO at Azul Systems. Azul has its own OpenJDK distribution which also has commercial flavors. So, obviously, my first thought was, “Well, of course, he’s going to say nice things about Azul’s JDK distribution and try to sell it everywhere”. But, to my …

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