Design Parking Lot System

Design a multi-level parking lot system with spot reservation and management.

Requirements:

• Multiple levels with different spot sizes (compact, regular, large)
• Reserve and release parking spots
• Track occupancy in real-time
• Handle concurrent reservations
• Support different vehicle types

Key Components:

• Spot Management Service
• Reservation Service
• Payment Service
• Display Board Service
• Entry/Exit Gate Controllers

Discussion Points:

• Class hierarchy for vehicles and spots
• Concurrency handling for reservations
• Database schema design
• API design for reserve/release operations
• Real-time occupancy tracking