Simple client/server chat - using java executors, in/out streams.
How to run server:
cd /server
mvn clean compile assembly:single
java -jar target/server-1.0-SNAPSHOT-jar-with-dependencies.jar
2020-06-11 - server working poc, may be used via netcat, telnet :)
2020-06-12 - gui terminal window has been adde (poc)
2020-08-00 - fixes, refactor, Diffie-Hellman key exchange support has been added.