Hacker News with Generative AI: OpenJDK

How ZGC allocates memory for the Java heap (joelsiks.com)
This post explores how ZGC, one of the garbage collectors in the OpenJDK, allocates memory for the Java heap, focusing on enhancements introduced in JDK-8350441 with the Mapped Cache. A garbage collector does much more than just collect garbage - and that’s what I want to unpack in this post. Whether you’re a Java nerd yearning for details, a GC enthusiast, or just curious about how ZGC uses memory behind the scenes, this deep dive is for you.

Java, Garbage Collection, OpenJDK, Memory Management, Performance

84 points by lichtenberger 3 days ago | 18 comments

JEP Draft: JFR Method Timing and Tracing (openjdk.org)
Extend JDK Flight Recorder (JFR) to support bytecode-based method timing and tracing for quick and easy use.

Java, Performance, Debugging, Monitoring, OpenJDK

7 points by mfiguiere 33 days ago | 0 comments

JDK Distributions (sdkman.io)
We've chosen Eclipse Temurin as our default JDK because it's widely recognized as the de facto standard for OpenJDK distributions.

Java, OpenJDK, Software, Tools

29 points by Tomte 39 days ago | 5 comments

CheerpJ 3.1: JVM in WebAssembly (leaningtech.com)
In this post, we’ll provide an overview of CheerpJ, the capabilities of the current release, and our ambitious plans for the future of Java and OpenJDK on the browser.

Java, WebAssembly, OpenJDK, Programming, Software

19 points by bluedevil2k 80 days ago | 0 comments

JEP Draft: Remove the Terminally Deprecated Applet API (openjdk.org)
Remove the Java Applet API, which has been deprecated for removal for some time, and is obsolete as neither current JDK nor current browsers support applets.

Java, Programming, Deprecated Features, OpenJDK

6 points by mfiguiere 141 days ago | 1 comments

JEP 483: Ahead-of-Time Class Loading and Linking (openjdk.org)

Java, Programming Languages, Performance, Software Development, OpenJDK

15 points by pregnenolone 264 days ago | 3 comments

Java string interpolation feature has been cancelled (openjdk.org)

Java, Programming Languages, OpenJDK

71 points by neonsunset 310 days ago | 114 comments

JEP-455: Primitive types in patterns, instanceof and switch (openjdk.org)

Java, Programming Languages, Programming, Software Development, OpenJDK

20 points by ludovicianul 324 days ago | 15 comments

Proposal to change default annotation processing policy in JDK 23 (openjdk.org)

Java, Programming Languages, Software Development, OpenJDK

94 points by mfiguiere 333 days ago | 107 comments