DiscordRPC

DiscordRPC lib = DiscordRPC.INSTANCE;
        String id = "<VOTRE CLIENT-ID>";
        String steamID = "";
        DiscordEventHandlers handlers = new DiscordEventHandlers();
        lib.Discord_Initialize(id, handlers, true, steamID);
        DiscordRichPresence presence = new DiscordRichPresence();
        presence.startTimestamp = System.currentTimeMillis() / 1000;
        presence.details = "<VOTRE DETAILS>";
        presence.state = "<VOTRE STATE>";
        lib.Discord_UpdatePresence(presence);

        new Thread(() -> {
            while (!Thread.currentThread().isInterrupted()){
                lib.Discord_RunCallbacks();
                try {
                    Thread.sleep(2000);
                }catch (InterruptedException ignored){}
            }
        }, "RPC-Callback-Handler").start();