Exploring Java new features from 8 to 28

Bot to convert media into Telegram stickers

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

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

Universal Discord operations bot for security recon, moderation, anti-raid protection, Cyber RPG, AI assistance, dashboards, and VC audio. Built with Java 26 + Virtual Threads, Gemini AI, and Discord DAVE E2EE—using free/local resources with no paid security APIs.

This repo is just a demonstration for DOP/FP in Java. More could be done so do whatever you want with this code.

An advanced, production-grade URL shortening service built for internet-scale systems. Designed with scalability, observability, and extensibility in mind — yet still under active development with new features being added regularly.

This is a project that use multithreading and concurrent programming for getting status code

Automatically saves your Spotify Discover Weekly tracks to a permanent playlist before they reset each Monday.

Portfolio-grade Java 26 / Spring Boot 4 recurring billing scheduler with schedule generation, idempotent run creation, retries, and lifecycle state management.

Common Reusable Java Stream Gatherers (JEP 485)

Hytale modding CLI to scaffold, build, link, develop, and deploy server mods locally or over SSH.

Portfolio-grade Java 26 / Spring Boot 4 event-driven ledger platform with Kafka-backed outbox publishing, immutable journal posting, reconciliation workflows, and persisted role-based security.

Production-ready authentication and authorization platform built with Spring Boot 4, WebFlux, JWT, API Keys, Redis, PostgreSQL, and reactive microservices.

Portfolio-grade Java 26 / Spring Boot 4 currency exchange rate service with provider integration, caching, fallback handling, and conversion APIs.

Portfolio-grade Java 26 / Spring Boot 4 subscription billing platform with plans, subscriptions, invoice generation, and payment attempt lifecycle tracking.

Java backend microservice consuming Apache Kafka events to provide operational and business insights for the Radio ecosystem

Spring Boot multi-module example demonstrating Hexagonal Architecture, Ports & Adapters, and clean separation of business logic from infrastructure.

Java backend microservice for managing medical imaging devices and publishing domain events via Apache Kafka for the Radio ecosystem

Portfolio-grade Java 26 / Spring Boot 4 expense categorization API with clean CRUD design, validation, reporting basics, and DTO separation.