A brief look on How Java-based web chat clients are made
There are many websites using chat clients, either for the use of customer support, or just to provide entertainment. These chat clients are based on Java, the most preferred programming language, especially because it is very easy to be deployed on the web. Let us look at how Java based clients are made.
For a graphical chat client, two command line parameters are required- the server name and the port number to connect to. This makes a socket connection and then opens a graphical interface with a relatively large output area and a smaller input area.
2. Transmission of message
When the user types the text and presses the Enter key, the input text is transmitted through the server, and the server will echo back everything that the client sends to it. The client will also display everything that it receives from the server in the output region. In case of multiple clients connecting to a simple server, a simple chat system is set up. Thus, a basic chat interface is set up.
3. The server and the client
When two users want to chat using such a program, each must have one instance of the program running on his/her computer. One of them should select to host the chat, and the port numbers should be the same on all machines connecting to the host machine. To interpret data, the communicating language should be recognizable by both the server and the client. The client can start using the chat only after its unique pseudo is authenticated by the server.
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