Practical writing on Java, Spring, AI, and the craft of software engineering.

If you're building with Java and Spring (or trying to figure out where AI fits into your development workflow) you're in the right place. I write practical, beginner-friendly deep dives on Spring Boot, Spring AI, and software engineering fundamentals, collected here in chronological order.

Filtering by tag: Jackson

Spring Boot 3 to 4 Migration: Fixing Every Break

Spring Boot/

Spring Boot 3 to 4 Migration: Fixing Every Break

A hands-on Spring Boot 3 to 4 migration: upgrade a real app, then fix Jackson 3, modular starters, the missing H2 console, test imports, and JSpecify.

Read article 27 min read