Java Weekly, Issue 668
1. Spring and Java
>> Are Harnesses Worth the Cost? [martinfowler.com]
Coding agents with and without a behavioral harness. An interesting experiment, where the harness makes a smaller model more reliable, but adds cost without improving a stronger model’s results.
>> Java – The Year of the Runtime! [inside.java]
Why Java’s runtime matters as AI agents take on more coding.
Also worth reading:
- >> JDK 28 [openjdk.org]
- >> One Embedding per Job, or Two? Measuring Semantic Search in a Spring Boot Job Portal [foojay.io]
- >> Your agents don’t need an LLM to negotiate [foojay.io]
- >> Testing Jakarta EE: Three Layers, Three Tools [foojay.io]
- >> We Didn’t Want to Build Another Java Server [foojay.io]
- >> Introducing Jenesis: You Already Wrote the Build Script [foojay.io]
- >> New Lower SMB Pricing and Easier Online Purchasing of Java SE Universal Subscription [oracle.com]
- >> Scraping websites and bot-protection [frankel.ch]
- >> Improving the Harness [code-cop.org]
- >> Keep WordPress If You’re Looking for Trouble… Or Read This! [foojay.io]
- >> The Craft of Practitioner Voice [martinfowler.com]
- >> Reliable GPU compute for large training & inference jobs [netflixtechblog.com]
Webinars and presentations:
- >> How Does Java Fit Into the World of AI—and How Can It Become an Even Better Fit? [inside.java]
- >> Everyday JSON in Java [inside.java]
- >> Structured Concurrency Looms [inside.java]
- >> KotlinConf Recap: Lessons from Verifone’s Architect on Kotlin in Mission-Critical Payments [jetbrains.com]
- >> Quarkus Insights # 263: Everything You Didn’t Want to Know About Quarkus Build Reproducibility [quarkus.io]
- >> A Bootiful Podcast: legendary Java developer Kohsuke Kawaguchi [spring.io]
Time to upgrade:
- >> Hibernate Validator 9.2.0.Beta1 is out [in.relation.to]
- >> Oracle Java Platform Extension for Visual Studio Code – Version 27.0.0 Is Now Available [inside.java]
- >> Micronaut Core 4.10.31 and 3.10.15 [github.com/micronaut-projects]
- >> Apache Camel 4.23.0 [github.com/apache]
- >> Payara 7.2026.10 and What’s New In The October 2026 Azul Payara Release? [github.com/payara] [foojay.io]
2. Pick of the Week
>> How to Write an Effective Software Design Document [refactoringenglish.com]
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