0
0
LLDsystem_design~5 mins

Product, Cart, Order classes in LLD - Cheat Sheet & Quick Revision

Choose your learning style9 modes available
Recall & Review
beginner
What is the main responsibility of the Product class in a shopping system?
The Product class represents an item available for purchase. It holds details like product ID, name, description, price, and stock quantity.
Click to reveal answer
beginner
How does the Cart class typically manage products added by a user?
The Cart class keeps track of products selected by the user along with their quantities. It allows adding, removing, and updating product quantities before checkout.
Click to reveal answer
beginner
What key information does the Order class store after checkout?
The Order class stores details like order ID, list of products with quantities, total price, user information, order status, and timestamps.
Click to reveal answer
intermediate
Why is it important for the Cart class to validate product availability before adding to cart?
Validating product availability ensures the user cannot add more items than are in stock, preventing overselling and improving user experience.
Click to reveal answer
intermediate
Explain the relationship between Product, Cart, and Order classes in a shopping system.
Products are the items available for purchase. The Cart holds selected products temporarily for the user. When the user checks out, the Cart's contents become an Order, which records the purchase details.
Click to reveal answer
Which class is responsible for storing the user's selected items before purchase?
ACart
BProduct
COrder
DInventory
What information does the Product class NOT typically contain?
AOrder status
BProduct price
CProduct description
DStock quantity
After checkout, which class records the purchase details?
ACart
BProduct
CUser
DOrder
Why should the Cart class check product stock before adding items?
ATo delete the product
BTo increase product price
CTo prevent overselling
DTo update user profile
Which class typically contains a list of products with quantities for a purchase?
AProduct
BOrder
CPayment
DCart
Describe the roles and key attributes of Product, Cart, and Order classes in a shopping system.
Think about how a user selects items, holds them temporarily, and then completes a purchase.
You got /3 concepts.
    Explain how the Cart class interacts with Product and Order classes during the shopping process.
    Consider the flow from browsing products to placing an order.
    You got /3 concepts.