NNAIJA-JUG-INFOinnaijajug.hashnode.dev·Sep 7 · 20 min readBuilding a Type-Safe AI Code Reviewer in Java with Spring AIWhat happens when an LLM's answer has to become a Java object instead of just another String? Generative AI has made it surprisingly easy to build applications that can read code, explain it, and even01A
SMSatyajit Mishrainblogs.satyajitmishra.me·Aug 31 · 4 min read🚀 JDBC to Spring Data JPA: The Evolution of Java Database Access Explained for Beginnerstitle: JDBC to Spring Data JPA: The Evolution of Java Database Access Explained for Beginners seoTitle: JDBC vs Hibernate vs JPA vs Spring Data JPA seoDescription: Learn the evolution of Java database24HJ
DJDevanupriy Jainindevanu.hashnode.dev·Aug 31 · 2 min readBuilding CityScale 🏙️ — Engineering a City-Scale Logistics System What started as an idea to simulate urban parcel distribution turned into CityScale — a full-stack logistics platform for modelling deliveries, locations, routes, and distribution workflows. 🏗️ Archi11D
KKumaravelinbuildbreaklearndev.hashnode.dev·Aug 27 · 19 min readREST APIs for Beginners: What I Learned While Building a Spring Boot ApplicationREST APIs for Beginners: What I Learned While Building a Spring Boot Application When I first started learning REST APIs, the idea seemed simple. GET retrieves data.POST creates data.PUT updates data.10
RKRohit Kumar Deyinrkd.hashnode.dev·Aug 24 · 23 min readBuilding a Full-Stack CRUD App with Angular, Spring Boot, and H2When learning full-stack development, building a simple CRUD (Create, Read, Update, Delete) application is the best way to understand how a frontend framework communicates with a backend service and a00
SGSaran Ginsaranbuilds.hashnode.dev·Aug 20 · 14 min readWardLog : A Doctor's Voice AssistantFrom Paper to Voice: Building WardLog In my previous job I worked on TimeSmart - a timesheet and contract management system for doctors. Before software like this, doctors wrote down the work they did00
HBHenry Browninblog.hbrown.dev·Aug 17 · 6 min readPgBouncer with Spring Boot 4: Setup, Gotchas, and the ProofEvery Postgres connection is a process on the server. That's a deliberate design choice — it makes Postgres simple and robust — but it also means connections are expensive to open and there's a hard c10
JCJuan Carlos Gonzalez Cabreroinmalkomich.hashnode.dev·Aug 18 · 13 min readInside a Kafka Order Workflow: Outbox, Retries, DLQs and Idempotency1. The Naive Workflow: First Failure Strikes When you're building your first event-driven service with Kafka, the initial implementation feels natural and clean. You have a REST endpoint that saves 00
HBHenry Browninblog.hbrown.dev·Aug 17 · 9 min readI Built a Spring Boot 4 App to Put PgBouncer to the TestThis post describes a small books-and-authors catalogue, but its real job is to be a testbed: it demonstrates what PgBouncer, a lightweight connection pool manager, actually buys you in front of Postg00
Kkameninpureengine.hashnode.dev·Aug 17 · 14 min readThe Dao Implementation Layer (Chapter 6)The last 11 years through my career, I've seen codebases that suffered from a silent architectural decay. Check any corporate monolith or a microservice and you will find Spring Data repositories, JPA00
