#spring Development Tutorials & Tips | Roast Dev

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What is @Component and How to Use It in Spring

What is @Component? @Component is a stereotype annotation from the Spring framework that allows you to mark your classes as Spring components. These classes will be managed by Spring and will...

09.04.2025 0 Read More

Spring Security Part 2 : Getting started with jdbc authentication

Kudos 👏 to reach till here. In the previous article, we were implementing in-memory authentication in Spring security. But what if we need to connect to a datasource instead of an in-memory. In th...

12.04.2025 0 Read More

Spring Application Deployment on WebSphere Liberty with Oracle Database

This guide provides a complete setup for deploying a traditional Spring application on WebSphere Liberty using ojdbc8 driver and Java 8, focusing on the backend components without views. Proje...

12.04.2025 0 Read More

Getting Started with Java Reflection

I've always been curious about Java Reflection but never took the time to dive into it — until now. Recently, I decided to finally explore this powerful feature in depth and picked a couple of solid...

13.04.2025 0 Read More

How to Use Spring's @Profile Annotation for Flexible Configurations

The @Profile annotation in Spring allows you to segregate configurations to be available only in specific environments.If you mark a @Component (and its specializations) or any @Configuration or @Bean...

15.04.2025 0 Read More

How to Use Java Reflection with Methods, Constructors, and Class Types

Methods A Method object let you get more information on the corresponding method: its type and its modifiers, the types and names of its parameters, and enables you to invoke it on a given o...

16.04.2025 0 Read More

Building a Real-Time AI Fraud Detection System with Spring Kafka and MongoDB

In this tutorial, we'll build a real-time fraud detection system using MongoDB Atlas Vector Search, Apache Kafka, and AI-generated embeddings. We'll demonstrate how MongoDB Atlas Vector Search can be ...

16.04.2025 0 Read More

DDD-like Kotlin object cooperating with Spring context

My friend Dominik helped me figure out which direction to take my coding skills. I never really liked the standard industry patterns that come with the Spring framework, where code is split into APIs,...

18.04.2025 0 Read More

@Qualifier Example in Spring Boot

In Spring, when you have multiple beans of the same type, Spring gets confused about which one to inject. This is where @Qualifier comes in — it helps Spring choose the exact bean you want.💬 Why ...

19.04.2025 0 Read More

BallCat: Your New Secret Weapon for Supercharged Project Development

Quick Summary: 📝 Ballcat is a rapid development scaffolding that enables developers to quickly build enterprise-level backend management systems. It provides pre-built starters for extendi...