Object-oriented programming · interview question
In a store model, which class should be responsible for calculating the total price of items in a shopping cart?
Multiple choiceMediumchapter-2-curatedpremiumoopbasic-modeling
Answer and explanation
Correct answer
B. Cart
Why
The 'Cart' class should be responsible for calculating the total price of items, as it represents a collection of items that the customer intends to purchase. This responsibility aligns with its role in the model.
Test yourself on Object-oriented programming
A free test with instant, explained results. No account needed.
More Object-oriented programming questions
- What happens if a subclass does not implement all abstract methods from its abstract superclass?
- What does the 'this' keyword refer to within an instance method of a class?
- Which Java keyword would you use to declare an abstract class in Java?
- Which statement correctly creates an instance of the 'Product' class?
- How does using interfaces in Java promote flexibility in application design?
- In Java, why might composition be preferred over inheritance when designing a class to calculate discounts for…