Object-Oriented Programming · Tradedesk · Medium
Problem: Versioned Recipe Management System Design an in-memory recipe manager that handles basic CRUD operations, search and listing, user ownership, version history, and rollback. Each recipe contains: recipe_id: a unique identifier for the recipe user_id: the recipe's owner name: the recipe's name content: the recipe's body (ingredients, steps, etc.), stored as a plain string version: starts at 1 and increments by one with every meaningful change Versioning Rules An ADD…
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