In what ways can Java Enums be utilized with Amazon DynamoDB and AWS SDK v2?

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Java Enums can be utilized with Amazon DynamoDB and AWS SDK v2 in the following ways:

1. Enum values can be stored as attributes in DynamoDB tables. This simplifies the data model as it eliminates the need for conditional logic to map between Java objects and DynamoDB items.

2. Enum values can be used as partition or sort key values for efficient data retrieval. For example, if an application needs to retrieve all items for a specific status, the status could be set as the partition key and the desired enum value could be used to retrieve those items.

3. Enums can be used to define the Java object mapping schema for DynamoDB tables using the Mapping SDK provided by the AWS SDK v2. This allows for easy and accurate mapping between Java objects and DynamoDB items.

4. Enums can be used as input values for filtering, scanning, and querying operations in DynamoDB. This is useful when filtering results based on a specific status or attribute value.

Overall, using Java Enums with Amazon DynamoDB and AWS SDK v2 provides a convenient and efficient way to model and interact with data in DynamoDB.