Object-oriented programming · interview question
How can a ShoppingCart efficiently calculate the total cost of all items?
Multiple choiceMediumchapter-2-curatedpremiumoopobject-interaction
Answer and explanation
Correct answer
A. By iterating through CartItem objects and summing their total prices.
Why
A ShoppingCart should iterate through CartItem objects, summing their total prices using their methods. This approach keeps the calculation dynamic and in sync with the cart's contents.
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