What is the difference between inheritance and composition in programming?
Inheritance is a way to create a new class based on an existing class, inheriting its properties and methods. Composition, on the other hand, involves building a class using instances of other classes, allowing for more flexible and reusable code.
Can you give me an example of each?
Sure! For inheritance, imagine a class Animal
and a subclass Dog
that inherits from Animal
. For composition, you might have a class Car
that uses instances of Engine
and Wheel
classes to function.
Which one is better to use?
It depends on the situation. Inheritance can lead to a rigid structure, while composition offers more flexibility and is often preferred in modern design.
Are there any drawbacks to using composition?
Yes, composition can lead to more complex code and may require more boilerplate to set up relationships between classes.
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