LLD - Design — Hotel Booking System
Why is it important for the Booking class to maintain a reference to the Room object instead of just storing the room number?
Why is it important for the Booking class to maintain a reference to the Room object instead of just storing the room number?
hard🧠 Conceptual Q10 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand object references
Storing a reference to Room allows Booking to access and modify room properties.Step 2: Benefits of direct access
Direct reference enables updating availability and retrieving room details easily.Step 3: Evaluate other options
Room number alone is insufficient for updates; memory usage and uniqueness are not main reasons.Final Answer:
To access and update room availability and details directly -> Option BQuick Check:
Reference enables direct room updates [OK]
Quick Trick: Reference lets Booking update Room properties directly [OK]
Common Mistakes:
MISTAKES- Thinking room number is enough for updates
- Assuming memory saving is main reason
- Confusing uniqueness of room number
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