An interface promises nothing about an action! When would one want to use an interface. An interface is two things:
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All i see is, you
An interface is a contract:
Hi, interface and type, looks similar but interfaces can use for declaration merging and extends and implements which type cannot do. The reason for interfaces truly eludes me. 42 the interface keyword indicates that you are declaring a traditional interface class in java. This may be a generic oop question.
A good example of when exactly to use interfaces specifically in java would be ideal and any specific rulings that apply. 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 . The @interface keyword is used to declare a new annotation type. Learn how to perform type checks on interfaces in typescript and ensure compatibility between objects and their expected types.
It is a set of methods, but.
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. Two interfaces with same method names and signatures. I wanted to do a generic comparison between an interface and an abstract class on the basis of their usage.
