JavaOne 2025 Day Three Summary:

• Held on March 20th, 2025, at Oracle Conference Center in Redwood Shores.
• Key takeaways: Java depends on community; people first, tech second; inspire, connect, involve; nurture existing community for new devs; build AI apps with Helidon and LangChain4J.

• Keynote Address:

  • The Future of Java is You by Ana-Maria Mihalceanu and Sharat Chander. Chander emphasized Java's need for community. All audience wrote expectations for next 10 years and put in time capsule.
  • Jim Grisanzio hosted on-stage live podcast with Cay Horstmann, Marit van Dijk, and Lize Raes, discussing cool things in Java, contribution, meaning, and special at JavaOne.
  • David Delabassee facilitated Java Platform Enrichment discussion with Stuart Marks and Don Raab on improving Java Platform quality.
  • Mihalceanu and Chander hosted The Java Quiz.
  • Heather Stephens, Crystal Sheldon, and Denys Makogon discussed Java in Education activities like Learn.java and The Java Playground.
  • Chander and Colt McNealy discussed Java's future, including compatibility at LittleHorse.
  • Keynote concluded with Oracle dev relations team singing "Happy Birthday" to Duke.

• Highlighted Presentation:

  • "Building AI-Powered Applications with Helidon and LangChain4J" by Daniel Kec and Joe Di Pol. Demonstrated building AI apps using Helidon and LangChain4J with step-by-step instructions like creating bootstrap project, enabling AI with Helidon LangChain4J, configuring Helidon Inject, adding OpenAI chat model, and integrating Embedding Store.
• Conclusion: JavaOne 2025 is a three-day event by Oracle and dev relations team. Session catalog provides details and Java Turned 30 Livestream includes community keynote and interviews.