: Services like Twilio or Wassenger provide Java SDKs or REST APIs to send messages with just a few lines of code.
+-------------------------------------------------------------+ | WhatsApp Architecture | +-------------------------------------------------------------+ | | | +------------------+ +--------------------+ | | | Nokia S40 / UI | <---------> | J2ME Platform | | | +------------------+ +--------------------+ | | ^ | | | | | v | | +--------------------+ | | | Modified XMPP | | | +--------------------+ | | ^ | | | | | v | | +--------------------+ | | | Data Server (TCP) | | | +--------------------+ | +-------------------------------------------------------------+ Whatsapp java j2me
to the server to receive messages even when the user isn't actively looking at a specific chat. Data Persistence: J2ME uses the Record Management System (RMS) : Services like Twilio or Wassenger provide Java
The official WhatsApp client for J2ME was primarily developed for and Symbian S60 devices. Whatsapp java j2me
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