• views: 110
• date: 22 September 2025
• posted by: 0nelove

AWS S3 for Java Developers: Buckets, Objects, Access Control & Security
What you'll learn
Understand object storage fundamentals and explain when and why to use Amazon S3 over traditional databases
Create and manage S3 buckets programmatically using the AWS SDK for Java
Upload, download, and version files in S3 from a Java Spring Boot application
Implement secure file sharing using pre-signed URLs and enforce fine-grained access controls
Optimize storage costs by applying S3 storage classes and lifecycle policies
Configure replication and encryption to ensure high availability, disaster recovery, and data protection
Build a real-world backend project (a videogame marketplace) integrating S3 with REST APIs in Spring Boot
Apply best practices for access control using bucket policies, IAM roles, and access points in Java applications
Requirements
Medium knowledge of the Java language
Basic knowledge of the Spring Framework
Former knowledge of Amazon IAM and Availability Zones is desirable
Basic knowledge of JUnit Framework
Description
Amazon S3 is one of the most widely used cloud services in the world — powering websites, applications, data pipelines, backups, and more. But for many developers, integrating S3 into real applications can feel complex.This course is designed to give Java developers the skills and confidence to work with Amazon S3 in real-world projects.You'll learn step by step how to:Understand object storage and why S3 is a cornerstone of modern cloud applications.Create and manage buckets, objects, and storage classes programmatically with the AWS SDK for Java.Upload and download files efficiently, including large file handling with multipart uploads.Secure your data with encryption, access policies, and pre-signed URLs.Automate cost optimization with lifecycle rules and storage transitions.Implement replication and disaster recovery strategies.And to make everything practical, you'll build a real-world backend project: a videogame marketplace (similar to Steam), where studios upload their games and gamers can purchase and download them. Using Java 21 and Spring Boot, you'll expose REST APIs, handle file versioning, manage access control, and ensure security at every step.By the end of this course, you'll not only understand S3 — you'll know how to use it confidently in your Java applications, applying best practices for scalability, cost efficiency, and security.Whether you're preparing for your next job opportunity, enhancing your backend projects, or simply expanding your cloud expertise, this course will give you the skills to master AWS S3 with Java.
Who this course is for
Java developers who want to master Amazon S3 using its Java SDK
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