playground

Safe local execution layer for AI agent tools. Build, validate, and publish MCP tools with a no-pass-no-run workflow — cross-platform desktop app powered by Spring AI.

SHACL validation UI, SHACL documentation generator, UML diagram generator from SHACL, SHACL generator from RDF.

This project is a booking system for football playgrounds. It serves the players and playground owners as well as an administrator who oversees the overall operations of the system. The project is developed as part of a software engineering course.

🎮 JavaFX example app with use of simple JDBC abstraction.

It is GraphQL boilerplate project developed on Java Spring Boot. PostgreSQL used as a database on Docker

EasyWorkflow is a LangChain4j extension that provides a DSL for workflow design, along with a debugger and playground for easier testing and results visualization

This is a playground project to learn and compare different JVM reactive stacks

A small Java application for playing with SQL injection vulnerabilities on a local in-memory H2 database.

This is the gateway to choculence

Dr. Spring Playground

Geometry Playground is a free ruler and compass Java application for seven geometries. Geometry Playground has been translated into 10 languages.

Learn about changes in Java by example. Repository contains unit tests of Java features to help stay up to date with recent changes in the language. ☕️ 🎯

Playground for Brainfuck interpreters in Java. Come in different flavours.

Android Playground

2D Game Development by Java.

Java Practicing.

A reference implementation of GraphQL for Spring boot

Swing (Java) Practicing.

⚡ vʌvr in action playground

My Java snippets and best practices, including some usages which are easily confused.