scala类继承多个特质_scala extends 多个-CSDN博客

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文章浏览阅读264次。object 类继承多个特质 { trait MessageSender { def send(msg: String): Unit } trait MessageReceiver { def receive(): Unit } class MessageWorker extends MessageSender with MessageReceiver { override def send(msg: String): Unit = println(s"发送_scala extends 多个

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