sequence diagram for library management system

sequence diagram for library management system

‚  ‚  ‚ Sequence diagram descries interaction among classes in terms of an exchange of message over time.sequence diagram demonstrate the behavior of objects in a use case by describing the object and messages they pass.A sequence diagram depicts the sequence of actions that occurs in system.the invocation of methods in each object and the order in which they captured in a sequence diagram.this makes sequence diagram very useful.Sequence diagram in tho dimensional in nature

Librarian Issues a book to member:- Whenever a member asks for a book,the librarian checks the availability of book,if the book is available then the rack number of that book will be returned to librarian. librarian then checks the validity of member by verifying the library card.if member is valid then the number of books issued to him is less then maximum allowed ,books issued to him and transaction is created. librarian then update the number of books issued to member and status of book

uml sequence diagram for library management system

uml sequence diagram for library management system

 

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