LLD - Advanced LLD Concepts
You need to add a new feature that requires changing business rules without affecting UI or database code. Which Clean Architecture layer should you modify?
You need to add a new feature that requires changing business rules without affecting UI or database code. Which Clean Architecture layer should you modify?
hard📝 Trade-off Q8 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify where business rules reside
Business rules are encapsulated in the Entities layer.Step 2: Understand impact isolation
Modifying Entities changes business logic without affecting UI or database layers.Final Answer:
Entities layer -> Option DQuick Check:
Business rule changes = Entities layer [OK]
Quick Trick: Change business rules inside Entities layer only [OK]
Common Mistakes:
MISTAKES- Changing UI or Frameworks for business rules
- Modifying Interface Adapters for logic
- Confusing Entities with Adapters
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