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Which class should be responsible for storing information about a book's title, author, and ISBN in a library system?

easy🧠 Conceptual Q11 of 15
LLD - Design — Library Management System
Which class should be responsible for storing information about a book's title, author, and ISBN in a library system?
AMember
BBook
CLibrarian
DLoan
Step-by-Step Solution
Solution:
  1. Step 1: Identify the class representing a book

    The class named Book logically holds details about books such as title, author, and ISBN.
  2. Step 2: Confirm other classes' roles

    Member is for library users, Librarian manages operations, and Loan tracks borrowing, so they don't store book details.
  3. Final Answer:

    Book -> Option B
  4. Quick Check:

    Book class stores book info [OK]
Quick Trick: Book class holds book details like title and author [OK]
Common Mistakes:
MISTAKES
  • Confusing Member with Book class
  • Assigning book details to Loan class
  • Thinking Librarian stores book info

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