Create the Chat Server ProgramThe server is implemented by two classes: ChatServerand UserThread.The ChatServer class starts the server, listening on a specific port.
Each part can run independently on separate computers.Now, let’s see how to code this Java chat application in details.Ģ. Each message is prefixed with the username to keep track who sent the message.And finally, the user says ‘bye’ to quit the chat.The application consists of two parts: server and client. The server sends a list of currently online users to the new user.Every user is notified when a new user arrives and when a user has gone. There’s no private chat between two users, for simplicity.After getting connected to the server, a user must provide his or her name to enter the chat. Local Area Network (LAN).There can be multiple clients connect to a server and they can chat to each other, just like in a chat room where everyone can see other users’ messages. The server and clients can run on different computers in the same network, e.g. Overview of the Java Chat ApplicationThe Java Chat application you are going to build is a console application that is launched from the command line. Source code is provided for you to download. In this Java network programming tutorial, you will learn how to create a chat application in Java using Socket programming.