What are abstract classes in object-oriented programming?
An example of an AI chatbot conversation about abstract classes in OOP.
What are abstract classes in object-oriented programming?
Abstract classes are classes that cannot be instantiated on their own and are meant to be subclassed. They can contain abstract methods that must be implemented by derived classes.
Can you give me an example of an abstract class?
Sure! For instance, you might have an abstract class called 'Animal' with an abstract method 'makeSound()'. Classes like 'Dog' and 'Cat' would inherit from 'Animal' and implement 'makeSound()'.
What is the purpose of using abstract classes?
Abstract classes provide a blueprint for other classes, ensuring that certain methods are implemented while allowing for shared code.
How do abstract classes differ from interfaces?
Abstract classes can have both abstract and concrete methods, while interfaces can only have abstract methods (in some languages). Abstract classes can also maintain state, whereas interfaces cannot.
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