It is a set of methods, but. Is this just an abstract base class? An interface is two things:
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You can refer to the article how to use interfaces in go (based on russ cox’s description of interfaces):
An interface promises nothing about an action!
The @interface keyword is used to declare a new annotation type. Yes, your example of defining an interface only for the particular items would be a more useful way to do it. Gui is graphical user interface and ui is just user interface. gui is a subset of ui. It would be quite rare to have an array of items, but not want to conveniently reference a single.
But implemented by a single class then how the compiler will identify the which method is for which interface? Two interfaces with same method names and signatures. An interface is a contract: The source of the confusion is that in most languages, if you have an interface type that defines a set of methods, the class that.
42 the interface keyword indicates that you are declaring a traditional interface class in java.
The person writing the interface says, hey, i accept things looking that way , and the person using the interface says ok, the class i write looks that way . Hi, interface and type, looks similar but interfaces can use for declaration merging and extends and implements which type cannot do.
