Java Backend Technology

Jul 20, 2019 · Backend Development

Mastering CQRS: How to Split Commands and Queries for Scalable Java Backends

This article explains the CQRS pattern, contrasts it with traditional CRUD, outlines its architectural benefits, presents two implementation approaches—including shared and separate databases—and provides a step‑by‑step Java example with command interfaces, a CommandBus, and controller integration, helping developers adopt CQRS in real projects.