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You also need to configure your credentials. The SDK automatically looks for them in environment variables, your local AWS config file, or IAM roles if you're running on EC2. For local development, you can set them in an application.properties file or through the AWS CLI using aws configure . Initializing the S3 Client
The modern way to handle this is with the AWS SDK for Java 2.x , which offers improved performance and a more intuitive API compared to its predecessor. Setting Up Your Environment java amazon s3 client download file
The getObject method is the primary tool for retrieving data. Depending on your needs, you can download a file directly to your local disk, into memory, or as a stream. 1. Download Directly to a Local File You also need to configure your credentials