What is the difference between composition and aggregation?
An example of an AI chatbot conversation about composition vs aggregation in object-oriented programming.
Can you explain the difference between composition and aggregation in programming?
Sure! Composition and aggregation are both ways to represent relationships between objects in object-oriented programming.
What makes composition different from aggregation?
In composition, the lifetime of the contained object depends on the container. In aggregation, the contained object can exist independently.
Can you give me an example of each?
Of course! For composition, think of a 'Car' class that contains 'Engine' as a part. For aggregation, consider a 'Library' class that contains 'Books' which can exist outside the library.
Are there any advantages to using one over the other?
Yes, composition provides stronger encapsulation and better control over the lifecycle of objects, while aggregation offers more flexibility.
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