随着 5G 与工业互联网的深度融合，物联网已成为互联网下半场的必争之地。对于庞大的 Java 开发群体而言，从传统的 Web 业务转向 IoT 领域，不仅是薪资的跃升，更是职业生涯的“护城河”。黑马推出的《EMQ 深度课》正是这样一把钥匙，旨在帮助 Java 开发者掌握 MQTT 协议与 EMQX 这一核心消息引擎。

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