WebSocket is a computer communications protocol, providing full-duplex communication channels over a single TCP connection. The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011, and the WebSocket API in Web IDL is being standardized by the W3C. WebSocket is distinct from HTTP.

Backend developed using Spring Boot and MongoDB for Battleship game. Although the frontend was never finished, the main purpose was to improve my Spring knowledge, try using MongoDB for the first time and set WebSockets for potential communication.