java-25

Real Java in the browser, built from OpenJDK. Issues and examples for CheerpJ: Java 8, 11, 17 and 21 apps, applets, JNLP and libraries, client-side.

Exploring Java new features from 8 to 28

A library of useful Stream Gatherers (custom intermediate operations) for Java.

Modern way of optimizing garbage collection in Minecraft: Java Edition

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

The LDraw™ Part Editor. Create and edit LDraw™ Parts quick and easy.

Java 9-28 Hackery, destroys module system + reflection filters

Fast dual-era framework-agnostic Model Context Protocol (MCP) runtime for Java and Kotlin. Streamable HTTP, native Netty transports, tools, tasks, resources, prompts, completions, skills over MCP, stateless and stateful with resumable session support.

The Minimal IoT Platform — single-binary Spring Boot 4 + Vue 3 IoT platform. Built-in MQTT broker, visual rule engine, hot-loaded protocol scripts.

GraalVM-native RealWorld API on Spring Boot 4 and Java 25 — spec-verified in CI, native binaries for four platforms

Reference Java & Spring implementation of the Open Ingestion Standard (OIS). It provides a secure, decoupled, and vendor-neutral enterprise data integration platform leveraging modern Java 25 features, Spring Boot, Spring AI and vector search infrastructure to orchestrate data flows

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

A demo project demonstrating how to read and write data into a Redis-backed state store using Kafka Streams (4.3.1)

Overrun Game Library is a high-performance library implemented with Java 25, enables cross-platform access to a set of C library bindings, and provides some useful utilities.

dmx-fun is a Java library that makes failures, absence, and validation explicit in the type system.

Screaming Architecture, Clean Architecture, Event-Driven Architecture, Clean Code, DDD, SOLID, Test Pyramid, Patterns (Ambassador, Circuit Breaker, Mediator, Outbox, Result, Retry, Strategy), Java 25, Spring Boot 4, Kong, Keycloak, Kafka, MongoDB, Redis, Elastic, Testcontainers, Docker

A sample RESTful API with Kafka Streams (4.3.1) using Spring Boot (4.1.0) and Java 25.

API Gateway Service with Spring Cloud Gateway, Spring Boot 4, Java 25

Linux open by handle based VFS implementation for nfs4j

Intermediate and Advanced Java Console & UI Application Examples