1. Implement based on the class diagram in Figure 1 2. The system must have a Graphical User Interface (GUI) a. Log in for Librarian, General User, Registered User and Vendor b. For Librarian to perform his/her tasks c. General User to register d. Registered User to perform his/her tasks GUI should include component classes, container classes and layout manager. 3. The system must be able to read and write from the text files a. Existing users log in correctly b. Register user write to file c. Registered user login read from file d. Search and able to retrieve the book read from file e. Librarian update the book details 4. The GUI should be handle by different event classes and event listeners

books database Libr location librarian id title id pdate() Librariarn Is user ls id earch() vendor details ibrarian id tissue status0) tracking() +vendor request) search() supply book) ts resolution0 st() ayment details() ts) ulate fine( pay fine() +payment( istered user eneral user n0 history0 ster() nregister) books database Libr location librarian id title id pdate() Librariarn Is user ls id earch() vendor details ibrarian id tissue status0) tracking() +vendor request) search() supply book) ts resolution0 st() ayment details() ts) ulate fine( pay fine() +payment( istered user eneral user n0 history0 ster() nregister)