why is it recommended to define service contract as an interface.
Any specific advantages over having them as classes?
why is it recommended to define service contract as an interface. Any specific advantages
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why is it recommended to define service contract as an interface.
Any specific advantages over having them as classes?
The primary goal is separate definition of your service from implementation
The user of your service should not know anything about how you implemented your service, but he should know what operations he can do and how.
That’s why its using an interface instead of class, because interface doesn’t contain an implementation.
You can share your interface one time and then never worry for years even if you changing implementation of its methods every day. End users will not need to recompile the code that’s using your service