LLD - Design — Parking Lot SystemWhy is the parking lot problem considered a classic example in low-level design (LLD)?ABecause it requires complex database queries for vehicle trackingBBecause it is only about calculating parking feesCBecause it focuses mainly on front-end user interface designDBecause it involves managing different types of vehicles and parking spots with clear rulesCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand the core challenge of parking lot designThe problem requires managing different vehicle types (cars, bikes, trucks) and matching them to appropriate parking spots with specific rules.Step 2: Identify why this fits LLD learningThis involves object modeling, resource allocation, and rule enforcement, which are key LLD concepts.Final Answer:Because it involves managing different types of vehicles and parking spots with clear rules -> Option DQuick Check:Parking lot = resource allocation + object modeling [OK]Quick Trick: Focus on resource management and object rules in parking lot [OK]Common Mistakes:MISTAKESThinking it's mainly about UI or feesConfusing with database or front-end problemsIgnoring the variety of vehicle and spot types
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