Middle
In what situations is it necessary to implement basic methods in interfaces?
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Answer from AI
- Default Implementation Provision: When most, but not all, implementations of an interface will use the same underlying logic for a specific method.
- API Evolution: To add new methods to an existing interface without breaking backward compatibility with old implementations. Old classes implementing the interface will use the default implementation for the new method.
- Utility Methods: To add helper methods that use other, abstract methods of the interface to perform common tasks.
- Mixable Behaviors (Traits/Mixins): To create sets of behaviors that can be added to classes by implementing the interface. Base method implementations provide the behavior's functionality.