如何实现多个接口Implementing Multiple Interface

4.实现多个接口Implementing Multiple Interface this 接口的优点:马克-to-win:类能够实现多个接口。与之相反,类只能继承一个超类(抽象类或其余类)。 A class can implement multiple interface, but a class can have only one superclass. this is also the dif
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