How to (Re)start Your Java Journey in 2026
summary
Practical roadmap for restarting with Java in 2026: upgrade path recommendations (move to Java 21 for virtual threads), concrete tooling to try in hours (swap JDK distributions, test GraalVM Native Image for tiny, fast executables), automated large-scale refactor techniques with OpenRewrite (batch-migrate JUnit and frameworks across repos), and ready integrations for AI like Spring AI and LangChain4j plus Eclipse Store for vector search. Notes on measurable wins (20–30% throughput/efficiency gains claimed for virtual threads), dev-mode fast feedback, and team rollout tactics (safe sandboxes, local environments, JUGs).
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chapters (23)
- 0:00Introduction
- 0:38Java Haters Meetup
- 2:32Perks of Java
- 2:56Agony of Choice
- 4:00Framework Choices
- 4:54Jakarta EE Standards
- 5:40OpenJDK Distribution
- 8:10GraalVM Native Image
- 9:39Java and AI
- 10:07Evolution of Java
- 11:32Simplified Java Coding
- 13:00Scripting with Java
- 13:38Virtual Threads
- 18:45Modern Java Resources
- 19:34Staying Up to Date
- 20:57OpenRewrite Migrations
- 23:06Java 17 and Frameworks
- 24:34Framework Switching
- 25:41AI Integration in Java
- 26:48Eclipse Store Vector Search
- 27:17Development Experience
- 31:00Community and Modernization
- 38:14Conclusion
