What are the differences between abstract classes and interfaces in programming?
Abstract classes can have both abstract methods and concrete methods, while interfaces can only have abstract methods.
Can you give me an example of when to use an abstract class?
Sure! Use an abstract class when you want to provide a common base with shared code for related classes.
And what about interfaces? When should I use them?
Interfaces are great when you want to define a contract that multiple classes can implement, promoting flexibility.
Are there any performance differences between using abstract classes and interfaces?
Generally, there are no significant performance differences, but abstract classes can be more efficient for shared code.
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