was the dominant mobile platform for "feature phones" (non-smartphones) during the 2000s and early 2010s. Devices like the Nokia S40 series (e.g., Nokia 3310, 6300, 2700), Sony Ericsson, and Samsung Corby relied on J2ME apps ( .jar files) to run games and applications.
We will use a simple client-server architecture for our app. The client will be the J2ME application running on the mobile device, and the server will be a simple Java-based server that handles user registration, contact list management, and message routing. Whatsapp java j2me
(requiring high compute power), J2ME clients connect to a third-party server. The server handles encryption and heavy processing, sending simple text/images to the phone via Supported Features was the dominant mobile platform for "feature phones"