All Tutorials
High-quality practical guides for developers, from beginner to expert.






























Backend
How to Create a REST API with Micronaut in 2026
Micronaut is the ideal Java framework for lightweight microservices. This tutorial guides you step by step to create a complete CRUD REST API.
18 minINTERMEDIATEAPI RESTMicronaut
Java
How to Create Your First Micronaut API in 2026
Learn to kickstart a lightweight, high-performance Micronaut API in just a few simple, concrete steps.
12 minBEGINNERAPI RESTMicronaut
Java
How to Master JUnit 5 In-Depth in 2026
Dive into JUnit 5 theory to create reliable, maintainable tests. This tutorial covers key concepts without code, emphasizing best practices and common pitfalls.
12 minINTERMEDIATEJavaJUnit 5