An interface is a 100% abstract class, so we can use an interface for efficient programming. Is there any situation where an abstract class is better than an interface?
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An interface is a 100% abstract class, so we can use an interface for efficient programming. Is there any situation where an abstract class is better than an interface?
Abstract classes are used when you do intend to create a concrete class, but want to make sure that there is some common state in all the subclasses or a possible common implementation for some operations.
Interfaces cannot contain either.