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Give any criteria when you use an abstract class and an interface?

Answer Posted / Anurag Choubey

1. Abstract Classes are used when you want to enforce a common behavior across all subclasses but also allow for implementation differences. They can contain both abstract and concrete methods. 2. Interfaces are used when you want to define a contract or set of methods that classes should implement, without providing any implementation. Multiple classes can implement the same interface.

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