In which scenario would you choose an abstract class over an interface?

  • When you want to achieve complete abstraction and hide the implementation details of a class.
  • When you want to define constants and static methods that are common to a group of related classes.
  • When you want to ensure multiple inheritance of behavior without worrying about method implementation conflicts.
  • When you want to provide a common base class with some shared functionality and allow derived classes to implement additional methods.
You would choose an abstract class over an interface when you want to provide a common base class with some shared functionality and allow derived classes to implement additional methods. Abstract classes can have both abstract and concrete methods, making them suitable for situations where you need to provide a common structure along with partial implementation.
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