use cases diagram -> class diagram -> sequence diagram

this case study involves a simplified syatem of a college library system

problem statement:

this application will support the operation of libarary for mid-sized college. this includes the searching for amd lending of libaray material, including books, videos, and technical journals. all libaray items have registartion code ( research area code + running number). each borrower can borrow up to 10 items. each type of library item can be borrowed for different period of time (books 6 weeks, journal 3 days, videos 1 week). if returned after due date the employee will charged a fine, based on the type of items (bolks $1/day, journals and videos $2/day). materials will be lent to students if they have (1) no due lendables, (2) fewer than 10 articles out, and (3) total fines less than $20.

in addition, identify and describe in tge UML diagrams and any of the following: ADT, roles, qualified Association, and thread synchronization.