OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

Java JsonPath implementation

Real-time transport layer for Java AI agents. Build once with @Agent — deliver over WebSocket, SSE, gRPC, and WebTransport/HTTP3. Talk MCP, A2A and AG-UI.

An example approach for implementing a Clean/Hexagonal Architecture

Swagger Socket: A REST over WebSocket

Spring boot with domain driven design

This is a runner implementation that supports context hierarchies in JUnit. For more details please visit: https://github.com/bechte/junit-hierarchicalcontextrunner/wiki

Demonstrates a Spring Boot Websocket + Stomp service with both a JavaScript and Java client