Library Management System (Java OOP)

A Java program to manage Movies, Books, and Journals with inheritance, polymorphism, file I/O, and custom comparators.

Features

• Supports multiple item types:
  • Movie: id, title, year, director
  • Book: id, title, year, author, pages
  • Journal: id, title, year, volume, issue
• CRUD operations (add, update, delete, search)
• File persistence (data/library.txt)
• Comparator for custom sorting (e.g., by rating, year)

Sample Data

Path: data/library.txt

• Movie,200,Remember The Alamo,1945,George Smith
• Book,240,Garden Projects At Home,1998,Mary Freeman,164
• Journal,215,J of Logic,2008,23,14

Run Locally

# compile
javac -d out src/*.java
# run (no packages)
java -cp out LibrarySystem