#java
8 articles tagged with #java
What 1 Year of AI Coding Assistants Taught Me About Developer Productivity — After the Hype
84% of devs use AI tools daily, but trust fell to 29%. After a year with Claude Code, Cursor, Copilot, and Windsurf, here's what actually works.
Spring AI + RAG in Production: Structured Output, Ollama, and pgvector — What Actually Works
I built a production RAG pipeline with Spring AI, Ollama, and pgvector. Here's the structured output pattern, local dev setup, and the hybrid search approach that survived 6 months of real traffic.
What 3 Months of GraalVM Native Image Taught Me About Rust's Real Advantage
GraalVM gives Spring Boot millisecond startup and 75% less memory. But Rust still wins — just not where you'd expect. Here's what I learned running both in production.
Why I Stopped Using LangChain4j for Spring Boot APIs — And Started Using Spring AI
I spent weeks building a RAG pipeline with LangChain4j before switching to Spring AI. Here's the honest comparison — auto-config, pgvector, and why staying in the Spring ecosystem saved me from framework glue code.
What 6 Months of Rust Taught Me About Java's Blind Spots
I spent 10 years shipping Java and switched to Rust for 6 months. The borrow checker didn't break me — it exposed things about Java I'd stopped noticing.
Why I Stopped Writing Unit Tests for Spring Boot APIs — And Started Using Testcontainers
I spent years mocking repositories, faking transactions, and testing things that were already tested. Then I switched to integration tests with real PostgreSQL containers and caught 3x more bugs. Here's the honest case for Testcontainers in Spring Boot.
Why I Switched from Java to Kotlin — And Never Went Back
After 5 years of writing Java professionally, I gave Kotlin a serious shot. Here's what surprised me, what I loved, and what I still miss.
Spring Boot 3.x: What Actually Changed (And What to Do About It)
Spring Boot 3 dropped Java 17 minimum and brought records, virtual threads, and AOT compilation. Here's what matters for your existing apps and new projects.