Model View Controller should be implemented Create a chat/instant messaging application that has the following functionalities/features: 1. Login, Session Management, User management and Security Each user must login to the system before he/she can perform actions/tasks. Management of the users and groups must be done on the server application or a separate client solely for administration purposes which should be accessed by admin users only. The application must be capable of managing sessions so that a user can only communicate with the server using one transaction session and within the limits of that session only. For example, a user cannot send a message or file unless the user has properly logged in. 2. Broadcast (to all users) Users must be allowed to send a broadcast message to all other users that are logged in.