Introduction - If you have any usage issues, please Google them yourself
Simple instant messaging system,
Server-side functionality:
(1) Start the server Establishes a listener to accept client connections.
(2) Send a message to the client system.
(3) to forward client messages.
(4) shut down the server.
Chat client functionality:
(1) connection to the server, send the user login request.
(2) to the server to send a chat message.
(3) to receive chat messages on the server side forwards.
With source code and needs analysis,