September, 2023

• 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 …

  Read More »
• 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 …

  Read More »
• 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 …

  Read More »
• 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 …

  Read More »
• 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 …

  Read More »
• 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 …

  Read More »
• 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 …

  Read More »
• 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 …

  Read More »
• 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 …

  Read More »
• 16 September

  Book Review: “Java Basics: A Practical Introduction to Full Stack Java”

  Shai Almog’s “Java Basics: A Practical Introduction to Full Stack Java” more than lives up to its title. And how could it be otherwise, with its highly Java driven and opinionated author having a track record going back to leading Java mobile efforts all the way back to Sun Microsystems. Thoroughness and Ambition The thoroughness and ambition of the book …

  Read More »