LLD - Advanced LLD Concepts
Given the following flow in Clean Architecture: UI calls Use Cases, which then call Entities. What is the correct order of dependency direction?
Given the following flow in Clean Architecture: UI calls Use Cases, which then call Entities. What is the correct order of dependency direction?
medium📝 Analysis Q13 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand dependency rule in Clean Architecture
Dependencies always point inward, from outer layers to inner layers.Step 2: Apply to given flow
UI depends on Use Cases, which depend on Entities, so direction is UI -> Use Cases -> Entities.Final Answer:
UI -> Use Cases -> Entities -> Option CQuick Check:
Dependency direction = UI to Entities [OK]
Quick Trick: Dependencies always point inward [OK]
Common Mistakes:
MISTAKES- Reversing dependency direction
- Confusing which layer calls which
- Assuming Entities depend on UI
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