Object-oriented programming · interview question
Given the following code, how do CartItem and Product communicate?
Multiple choiceMediumchapter-2-curatedpremiumoopobject-interaction
class Product { private double price; public double getPrice() { return price; } }
class CartItem { Product product; double getProductPrice() { return product.getPrice(); } }Answer and explanation
Correct answer
A. Through method calls from CartItem to Product.
Why
CartItem communicates with Product through method calls, which is a typical way for objects to interact while maintaining encapsulation.
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