LLD - Design — Library Management System
Which data representation is most appropriate for storing fine amounts associated with different violation categories in a low-level design?
Which data representation is most appropriate for storing fine amounts associated with different violation categories in a low-level design?
easy🧠 Conceptual Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand data mapping needs
Fine amounts must be linked to violation types for lookup.Step 2: Choose appropriate data structure
A dictionary/map allows key-value pairs, mapping violation types to fines.Final Answer:
Dictionary/map with violation types as keys -> Option AQuick Check:
Mapping violation to fine requires key-value pairs [OK]
Quick Trick: Use key-value pairs for violation-fine mapping [OK]
Common Mistakes:
MISTAKES- Using list without keys loses violation context
- Single integer cannot represent multiple fines
- Boolean flag does not store fine amounts
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