{"id":19700007,"url":"https://github.com/anasbinrashid/library-management-system-oop-java","last_synced_at":"2026-06-14T05:33:14.920Z","repository":{"id":257559489,"uuid":"858640315","full_name":"anasbinrashid/Library-Management-System-OOP-Java","owner":"anasbinrashid","description":"I made a Library Management System using OOP concepts in Java.","archived":false,"fork":false,"pushed_at":"2024-09-17T09:25:43.000Z","size":13,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-11-22T05:02:54.347Z","etag":null,"topics":["book","java","library-management-system","lms","oop","oops-in-java"],"latest_commit_sha":null,"homepage":"","language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/anasbinrashid.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-09-17T09:16:13.000Z","updated_at":"2025-06-21T14:37:53.000Z","dependencies_parsed_at":null,"dependency_job_id":"933e7879-6914-42fb-b513-61979fabe39f","html_url":"https://github.com/anasbinrashid/Library-Management-System-OOP-Java","commit_stats":null,"previous_names":["anasbinrashid/library-management-system-oop-java"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/anasbinrashid/Library-Management-System-OOP-Java","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anasbinrashid%2FLibrary-Management-System-OOP-Java","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anasbinrashid%2FLibrary-Management-System-OOP-Java/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anasbinrashid%2FLibrary-Management-System-OOP-Java/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anasbinrashid%2FLibrary-Management-System-OOP-Java/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/anasbinrashid","download_url":"https://codeload.github.com/anasbinrashid/Library-Management-System-OOP-Java/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anasbinrashid%2FLibrary-Management-System-OOP-Java/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":34310801,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-26T15:22:16.424Z","status":"online","status_checked_at":"2026-06-14T02:00:07.365Z","response_time":62,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["book","java","library-management-system","lms","oop","oops-in-java"],"created_at":"2024-11-11T21:01:49.049Z","updated_at":"2026-06-14T05:33:14.902Z","avatar_url":"https://github.com/anasbinrashid.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Library Management System\n\nA Java-based console application that manages a library's books and users, and handles book loans. This project implements object-oriented principles, including inheritance, abstraction, interfaces, and polymorphism, to provide a clean and modular design. The system allows users to add books, manage users, loan books, return books, and track loan details.\n\n## Features\n\n- **Add and Remove Books**: Support for adding and removing different types of books (e.g., Novels, Textbooks, Reference Books).\n- **Manage Users**: The system manages three types of users: Students, Faculty, and Public Members, each with specific loan limits.\n- **Loan System**: Books can be loaned to users, with different loan fees calculated based on the type of book and loan duration.\n- **Return Books**: Users can return loaned books, and late fees are applied based on the number of days overdue.\n- **Loan Tracking**: Track the books loaned to users and calculate total loan fees.\n- **Extend Loans**: Implements an interface (`Loanable`) that defines whether items can be loaned and whether loans can be extended.\n\n## Classes\n\n### Main Classes\n- **`Library`**: Manages the collection of books and users, handles loans and returns.\n- **`User`** (Abstract): Represents a library user, with subclasses for Students, Faculty, and Public Members, each with different loan limits.\n- **`Book`** (Abstract): Represents a book, with subclasses for specific types (Novel, TextBook, ReferenceBook).\n\n### Subclasses of `Book`\n- **`Novel`**: Represents a novel and calculates a base loan fee.\n- **`TextBook`**: Represents a textbook and supports additional logic for loan calculations.\n- **`ReferenceBook`**: Represents a reference book, usually non-loanable.\n\n### Subclasses of `User`\n- **`Student`**: Represents a student user with a specific loan limit.\n- **`Faculty`**: Represents a faculty member with a higher loan limit.\n- **`PublicMember`**: Represents a public member with a fixed base loan fee and lower loan limit.\n\n### Interface\n- **`Loanable`**: Defines methods related to loan operations, such as calculating the loan fee, checking availability, and whether a loan can be extended.\n  \n## Prerequisites\n- **Java Development Kit (JDK)**: Make sure you have JDK 8 or later installed.\n- **IDE**: You can use any IDE, such as IntelliJ IDEA, Eclipse, or VS Code with Java extensions.\n\n## Contributing\n\nContributions are welcome! Feel free to submit a pull request or open an issue if you find a bug or want to suggest improvements.\n\n## License\n\nThis project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanasbinrashid%2Flibrary-management-system-oop-java","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fanasbinrashid%2Flibrary-management-system-oop-java","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanasbinrashid%2Flibrary-management-system-oop-java/lists"}