An inner class is added to implement the MqttSimpleCallback interface, and the registration of that handler.

添加内部类以实现MqttSimpleCallback接口和回调处理程序的注册。

youdao

In fact, an anonymous inner class can't even extend a class and implement an interface at the same time.

事实上，一个匿名内部类甚至不能同时扩展一个类和实现一个借口。

youdao

In fact, an anonymous inner class can't even extend a class and implement an interface at the same time.

事实上，一个匿名内部类甚至不能同时扩展一个类和实现一个借口。

youdao