java-21

Eclipse Collections Katas

Jakarta EE Servlet and JSP

Code Kata collection for JVM Languages and Libraries.

RealWorld backend API built using Java 21 and Spring Boot 3

Exploring Java new features from 8 to 28

An advanced fishing plugin based on MoreFish, created 2 years after its last update.

A desktop image editor

Going deeper on Jakarta EE

From Java 11 to Java 26 - new features in practical examples

Open-source enterprise agent platform affinitised to Huawei Ascend (NPU) + Kunpeng (ARM64 CPU). For self-hosted, governance-gated, multi-tenant agent runtimes — built on Spring AI + Spring Boot + Java 21. Pluggable via SPI, no proprietary-cloud lock-in. Targets regulated workloads (financial services / public sector).

Sample spring boot microservices application

A homestay booking system like Airbnb. The guideline of a personal project for applying to your CV/resume.

spring boot web examples

🚀 Servers Benchmark: Simple POC to benchmark servers and languages.

Actor4j’s core implementation separates SDK and runtime, enabling flexible execution models.

Repositorio de la materia Programacion 1

Spring-boot application integrating with Firestore and Firebase Authentication to build a CRUD application.

REST API for Wireguard

MCP Runtime for Java and Kotlin - Model Context Protocol (MCP) server with Streamable HTTP, native Netty transports, tools, tasks, resources, prompts, completions, skills over MCP, resumable sessions, and stateless deployment support.

Java-Relational Mapping