Java Core226 articles

Table of Contents Why is the finalize() method deprecated/removed?How does Cleaner relate to Java Reference classes?Behind the scenes of CleanerCleaner vs. try-with-resourcesAvoid overusing CleanerConclusionFurther Resources Garbage collection in Java takes care of memory management, but it does not clean up …

Table of Contents VideoPodcast (audio only)Read more about Java 24 on FoojayGuestsSimon RitterHanno EmbregtsContent We serve you a podcast about the new Java version every six months. Our regular guest, Simon Ritter, Deputy CTO of Azul, is known on social …

Table of Contents What is Structured Concurrency?How Structured Concurrency Works?Benefits of Strutured ConcurrencyConclusionReferences In today’s era of cloud computing, where high-performance infrastructure is readily available, developers face a complex challenge in achieving efficient concurrency. While modern technological advancements have brought …

Table of Contents ExampleException tableBytecode instructionsTry-catch-finally flowLess nice flowSummarized flow It’s interesting to know how the JVM runs bytecode instructions… But do you know what is going on when an exception is thrown? How does the JVM handle the delegation …

Table of Contents VideoPodcast (audio only)GuestsContent Let’s wrap up this year with more interviews from the JFall conference. In this episode you’ll learn more about Foojay, JVM internals and writing your own programming language, Project Loom and structured concurrency, learning …

Table of Contents Last month, I published a Foojay article about the risks in systems that are stuck on old or outdated Java versions and got a lot of feedback from developers. Most of them want to move on but …

Table of Contents Reasons to Stick to 8Managers Blocking UpgradesCost of UpgradingProduction EnvironmentCompatibilityBreaking Changes in OpenJDKEducationVarious Other Reasons…More Reasons to UpgradeSuccess StoryConclusion My recent article “Why Java 8 is a Ticking Time Bomb Hiding Within Your Organization” triggered quit some …

Table of Contents Understanding Hot Class ReloadHow It WorksSystem Flow DiagramImplementing Hot Class ReloadCustom Class LoaderConclusion In the world of software development, time is everything. Every developer knows the frustration of waiting for a full application restart just to see …

Table of Contents Critical Reasons to UpgradeFixed Security VulnerabilitiesPerformance ImprovementsDeveloper ProductivityReduced Business CostReady for Cloud NativeReasons to Do NothingRead MoreConclusion When I spoke to developers at Devoxx in Belgium in October, I was surprised to learn how many of them …

Table of Contents Module design pattern before Java 9Pushing modularization forward with JEP-476ConclusionReferences Although the module design pattern can be implemented in many different ways, the main motivation behind using it remains the same. This is the isolation of a …