This is a simple program that provides a chatting service over the Internet. The connection are implemented using Java's Asynchronous sockets in the NIO package.
The software stack used for this program is Java version 13.0.2. Any newer version should work
java version "13.0.2" 2020-01-14
Java(TM) SE Runtime Environment (build 13.0.2+8)
Java HotSpot(TM) 64-Bit Server VM (build 13.0.2+8, mixed mode, sharing)