Object-Oriented Programming · Airbnb · Medium
Build a class named RecipeManagementSystem that stores recipes and keeps track of users. Each recipe is identified by a string of the form "recipe" + id, where id is an integer counter that begins at 1 and only ever goes up. Once a recipe is deleted, its ID is retired and must never be handed out again. The work is split into levels. You only gain access to the next level after every test for the current level passes, so later levels extend the same store rather than…