Core Objects & Relationships

Based on the requirements and use cases, identify the main objects of the system and analyze how they interact and relate to each other...

Step 1 — Find the core objects Read the requirements and pull out every noun that has data or behavior. For coffee machine:

CoffeeMachine, Beverage, Recipe, Ingredient, 
InventoryItem, BrewRequest, CustomizationOption

Step 2 — Find the relationships

CoffeeMachine  HAS-MANY  Beverages        → composition
Beverage       HAS-ONE   Recipe           → composition
Recipe         HAS-MANY  RecipeIngredients → composition
InventoryManager TRACKS  InventoryItems   → composition

Step 3 — Identify interaction patterns

Manager    → delegates to → CoffeeMachine, InventoryManager
States     → read from   → CoffeeMachine, InventoryManager
States     → write to    → Context
InventoryManager → notifies → Listener

Submissions

Displaying Solutions with Scores Ranging from 1 to 10

Submissions

Displaying Solutions with Scores Ranging from 1 to 10