It should be noted that we use the term interface in an abstract sense here.
请注意，我们在这里说的界面是抽象的界面。
Interface there is a case of abstract class.
接口有一个抽象类的情况。
Q. Should I create another interface for this or just stick with the abstract method?
问：我应该创建这个或另一个接口只抽象的方法？
When do you use an abstract class and when do you use an interface?
什么时候使用抽象类，什么时候使用接口？
What's the difference between an interface and abstract class?
接口和抽象类的区别是什么？
What's the difference between an interface and abstract class?
接口和抽象类的区别是什么？
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