Design a Vending Machine

A snack machine takes coins, lets the customer pick from its slots, drops the product and gives change. The customer can change their mind and get their money back, and an operator keeps it stocked.

How the round runs

Easy · 5 stages · 5 questions · 60 min

~6 min

Requirements Gathering

lists

~3 min

Identifying Core Entities

cards

~13 min

Designing Classes & Relationships

diagram

~27 min

Code Implementation

code

~11 min

Deep Dives

code

Set up your round

Level

Interviewer

Duration

Junior · Standard · 60 min