[Solved] What is the logical error in this method for checking parking spot availability?boolean isSpotAvailable(int spotNumber) { return spotNumber == 0; } | LLD

LLD - Design — Parking Lot System

What is the logical error in this method for checking parking spot availability?

boolean isSpotAvailable(int spotNumber) { return spotNumber == 0; }

AIt incorrectly returns true only when spotNumber is zero, not checking actual availability

BIt correctly checks if the spot number is valid

CIt returns false for spot number zero which is always available

DIt throws an exception for invalid spot numbers

Step-by-Step Solution

Solution:

Step 1: Analyze method logic
The method returns true only if spotNumber equals zero, which is unrelated to availability.
Step 2: Identify correct behavior
Availability should be checked against spot occupancy, not spot number value.
Final Answer:
It incorrectly returns true only when spotNumber is zero, not checking actual availability -> Option A
Quick Check:
Check if method checks occupancy status, not spot number [OK]

Quick Trick: Availability depends on occupancy, not spot number [OK]

Common Mistakes:

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What is the logical error in this method for checking parking spot availability?