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Learn how to implement file upload and download functionality in Spring Boot applications through this comprehensive 39-minute tutorial. Master the process of receiving and processing multipart files using Java, storing them on the local file system while maintaining metadata in a MongoDB database. Discover server-side file handling best practices essential for production environments, including proper file validation, storage organization, and security considerations. Explore the complete workflow from accepting file uploads through REST endpoints to retrieving and serving files to clients, with practical examples demonstrating real-world implementation scenarios that prepare you for professional Spring Boot development.
