client unique usernames

In this article, we will tackle about Username Availability Check using PHP. This example is common to all of us, and it is popular in the websites. Like “Facebook”, “Gmail”, and etc. If you are creating your user account, after you input the username in the TextBox the script will check if it is an available username or not. NOTE: These list of username is not available in this source code example: "rolyn02", "mark111", and "billGates".

Introduction: This tutorial is the eleventh in my Java Network Programming using KryoNet series, or sixth in creating a chat client and server system, in which we are going to be ensuring that no two clients have the same username. Previous: In the previous tutorial we created a way to circulate any incoming messages to the server to the rest of the clients. The System: We are going to give the user a GUI to interact with the system - to send messages and see the currently connected members of the chat. When a client connects, add them to a