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Java面向对象高级--接口的基本概念--------interface、implements

1、接口：接口是一种特殊的类，里面全部是由全局常量（static final）和公共的抽象方法（abstract）组成。 interface A{ // 定义接口A public static final String AUTHOR = "李兴华" ; // 全局常量 public abstrac...

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