Unable to find related issue for PR number 47. Body details: "**Issue number:**\r\n\r\n## Summary\r\n\r\nUpdated Java libraries to their latest versions. Updated the code to reflect more modern Java practices. Code builds and unit tests are passing.\r\n\r\n## Checklist\r\n\r\nPlease leave checklist items unchecked if they do not apply to your change.\r\n\r\n* [x] I have performed a self-review of this change\r\n* [x] Changes have been tested\r\n* [ ] Changes are documented\r\n* [ ] PR title follows [conventional commit semantics](https://github.com/aws-samples/aws-serverless-developer-experience-workshop-java/blob/develop/.github/semantic.yml)\r\n\r\n## Acknowledgment\r\n\r\nBy submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.\r\n\r\n**Disclaimer**: We value your time and bandwidth. As such, any pull requests created on non-triaged issues might not be successful.\r\n"