Hackernews posts about JDK 21

JDK 21 is the latest version of the Java Development Kit (JDK), which brings significant updates to concurrency and performance capabilities through the inclusion of Project Loom's innovative Virtual Threads technology.

1. Show HN: GridTravel – A community based travel app for users to share routes (www.gridtravel.app)
   48 points by knuaym9 about 14 hours ago | 24 comments
2. Java Virtual Threads: Understanding JDK 21 Limitations Before the JDK 25 Release (medium.com)
   3 points by tanelpoder 8 months ago | discuss
3. A capability-based alternative to Java's SecurityManager (JDK 21+) (github.com)
   2 points by nknize 4 months ago | 2 comments
4. Rainbowgum: Fast/small, JDK 21, GraalVM native friendly SLF4J logging framework (github.com)
   1 points by sea-gold about 1 year ago | discuss
5. Deno: Help Us Raise $200k to Free JavaScript from Oracle (ionutbalosin.com)
   5 points by theanonymousone 8 months ago | 2 comments
6. Are .NET 4.x and JDK 8.x the "zombie" runtimes of enterprise software?
   68 points by pyeri about 1 year ago | 91 comments
7. Show HN: Toward Nirvana with Optional Parameters (github.com)
   1 points by owlstuffing 11 months ago | discuss
8. Repsy – A lightweight, open-source alternative to Nexus/Artifactory
   8 points by nuricanozturk about 2 months ago | discuss
9. Universal package repository SaaS Repsy announces the open source version
   3 points by repsy about 2 months ago | discuss
10. Show HN: Jv 0.1 – Zero-runtime Java sugar language for Java 25 (github.com)
    3 points by asopitech 6 months ago | 1 comments
11. Trump orders release of last JFK, RFK, King assassination files (www.yahoo.com)
    16 points by 2-3-7-43-1807 over 1 year ago | 10 comments
12. X suspends journalist Ken Klippenstein after he published J.D. Vance dossier (www.engadget.com)
    4 points by malermeister over 1 year ago | discuss
13. JFK vs. James Webb on Getting to the Moon (November 21, 1962)
    1 points by NavinF almost 2 years ago | 3 comments
14. Show HN: Get Hired with AI, a free book I wrote on using LLMs for a job search (www.careervectorhq.com)
    1 points by dawie about 1 month ago | 1 comments
15. Questions about AI 2025 (caseyhandmer.wordpress.com)
    1 points by jk_tech 12 months ago | discuss
16. Show HN: Backproto – network backpressure routing applied to AI agent payments (www.backproto.io)
    5 points by BSOhealth about 2 months ago | discuss
17. Claude Agents SDK: a process per session, each starting at 214MB on macOS (twitter.com)
    5 points by tosh about 1 month ago | discuss
18. AI VC Simulations Built on OpenAI's Agents SDK – Open-Source MCP Server (github.com)
    2 points by ag_21 about 1 year ago | 1 comments
19. Show HN: Zero Waste Cloud – Finds 20-40% savings in AWS/GCP bills and CO2 impact (zerowastecloud.io)
    8 points by Suedish 10 months ago | 2 comments
20. Showcase of real-time graphics technology, from the Graphics Programming Discord
    5 points by vblanco over 1 year ago | discuss
21. Show HN: ClaudeCraft – Minecraft server where Claude agents do everything
    4 points by skullmag 3 months ago | 6 comments
22. Show HN: Spendtrace, Feature-level AWS cost attribution (found a 17× gap)) (github.com)
    2 points by joshyi_ba 2 months ago | 3 comments
23. Show HN: SoundHSA's "Move-to-Earn" MVP – get paid sats for steps ( BitcoinConf) (soundhsa.com)
    1 points by vveerrgg 12 months ago | 1 comments
24. Show HN: A non-programmer built a blockchain ecosystem using only AI
    1 points by BizinikiwiBrain 3 months ago | discuss