Why Are Java Developers Still Making These Spring Boot Mistakes in 2025?

What’s up, devs? If you’re still writing Spring Boot apps the way you did in 2018, we need to talk. Seriously. yep Seriously bro

It’s 2025, and yet I still see developers — both beginners and experienced ones — making the same avoidable mistakes. And guess what? Some of these are even considered “best practices” by outdated blogs (not mine even in future ………)and half-baked tutorials. So let’s break the cycle.

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1. Exposing Your Database Internals Like a Rookie

This is a classic blunder. Picture this:

@RestController
public class CustomerController {…