This document describes an online library management system developed in J2EE. The system allows users to perform basic library functions like adding members and books, updating information, searching for books and members, and booking books online. It provides benefits like more efficient service, reduced librarian workload, faster information retrieval, reduced paperwork, and improved data security. The system has user accounts and login functionality. It also provides book information via email and automatically updates lists. The librarian can access information on members and books. The system uses a Core i3 processor, 4GB RAM, 10GB hard drive, Windows 10, J2EE, SQL Server, HTML, JSP, SQL, CSS, and JS. It has administrator, library,