What are composition and aggregation in object-oriented programming?
An example of an AI chatbot conversation about composition and aggregation in OOP.
Can you explain the difference between composition and aggregation in object-oriented programming?
Sure! Composition implies a strong relationship where the child cannot exist independently of the parent. For example, a car has an engine; if the car is destroyed, the engine is too.
What about aggregation?
Aggregation is a weaker relationship where the child can exist independently of the parent. For instance, a university and its students; students can exist without the university.
Can you give me a code example for both?
Absolutely! In composition, you might have a class Car that contains an Engine class. In aggregation, you could have a University class that has a list of Student objects.
How do these concepts affect software design?
They help in structuring code more effectively, promoting reusability and maintainability by clearly defining relationships between objects.
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