The code for the server and the client is in src/tcp/conference/chat directory. The file for the server is named TCPConferenceChat.java and for client is Client.java
Clone this repo and run one instance of the Server and multiple instances of the Client.
More help can be gained from the following link:- http://net-informations.com/java/net/multithreaded.htm
We welcome your Doubts and feedbacks.