LLD - Design — Parking Lot System
Which of the following is the correct way to represent a parking spot in a class diagram?
Which of the following is the correct way to represent a parking spot in a class diagram?
easy🧠 Conceptual Q12 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify the class representing a parking spot
The Spot class should have attributes like spotNumber and isOccupied to represent a parking space.Step 2: Check other classes for correctness
Vehicle represents cars, Floor represents a level, and ParkingLot represents the whole area, so they should not have spotNumber or isOccupied attributes.Final Answer:
class Spot { int spotNumber; boolean isOccupied; } -> Option BQuick Check:
Spot class holds spot info = A [OK]
Quick Trick: Spot class holds spot details like number and occupancy [OK]
Common Mistakes:
MISTAKES- Assigning spot attributes to Vehicle
- Putting spotNumber in Floor or ParkingLot
- Confusing class roles in diagram
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