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LLDsystem_design~5 mins

Class design (Book, Member, Librarian, Loan) in LLD - Cheat Sheet & Quick Revision

Choose your learning style9 modes available
Recall & Review
beginner
What is the main responsibility of the <strong>Book</strong> class in a library system?
The Book class represents a book's details such as title, author, ISBN, and availability status. It manages information about the book itself.
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beginner
What attributes would you expect in a Member class?
Typical attributes include member ID, name, contact information, and a list of current loans. It represents a library user who can borrow books.
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intermediate
What role does the <strong>Librarian</strong> class play in the system?
The Librarian class handles administrative tasks like managing books, approving loans, and maintaining member records. It acts as a system operator.
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intermediate
Explain the purpose of the <strong>Loan</strong> class in the library system.
The Loan class tracks the borrowing of a book by a member, including loan date, due date, and return status. It connects books and members through borrowing activity.
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advanced
How do the classes Book, Member, Librarian, and Loan interact in a library system?
Members borrow Books through Loans, which track the borrowing details. Librarians manage Books and Members, approving loans and updating records.
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Which class is responsible for storing the due date of a borrowed book?
ALibrarian
BLoan
CMember
DBook
Who typically approves a book loan in the system?
ALibrarian
BMember
CBook
DLoan
Which attribute would NOT belong in the Member class?
AContact information
BList of current loans
CMember ID
DBook title
What is the main purpose of the Book class?
ATrack borrowing dates
BManage member contact info
CStore book details
DApprove loans
Which class connects a Member and a Book in the system?
ALoan
BLibrarian
CMember
DBook
Describe the key attributes and responsibilities of the Book, Member, Librarian, and Loan classes in a library system.
Think about what each class represents and what information it needs to hold.
You got /4 concepts.
    Explain how the classes Book, Member, Librarian, and Loan work together to support borrowing books in a library.
    Focus on the flow of borrowing from request to return.
    You got /4 concepts.