What is the difference between abstract and concrete classes?
An example of an AI chatbot conversation about the difference between abstract and concrete classes in programming.
What is the difference between abstract and concrete classes?
Abstract classes cannot be instantiated and may contain abstract methods, while concrete classes can be instantiated and provide implementations.
Can you give me an example of each?
Sure! An abstract class could be 'Animal' with an abstract method 'makeSound()', while a concrete class could be 'Dog' that implements 'makeSound()'.
Why would I use an abstract class instead of a concrete class?
Abstract classes are useful for defining a common interface for subclasses, promoting code reusability and enforcing a contract.
Are there any limitations to using abstract classes?
Yes, you cannot create instances of abstract classes directly, and they may lead to a more complex class hierarchy.
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