fix(retail): add region tag for Java - Update setInventory.java

[rebeccaellis]

Description

Fixes #415382524

Note: Before submitting a pull request, please open an issue for discussion if you are not associated with Google.

Checklist

• I have followed Sample Format Guide
• pom.xml parent set to latest shared-configuration
• Appropriate changes to README are included in PR
• These samples need a new API enabled in testing projects to pass (let us know which ones)
• These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• Tests pass: mvn clean verify required
• Lint passes: mvn -P lint checkstyle:check required
• Static Analysis: mvn -P lint clean compile pmd:cpd-check spotbugs:check advisory only
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

[snippet-bot]

Here is the summary of changes.

You are about to add 1 region tag.

• retail/interactive-tutorials/src/main/java/product/SetInventory.java:22, tag retail_set_inventory

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[gemini-code-assist]

Summary of Changes

Hello @rebeccaellis, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on improving the discoverability and maintainability of code samples by introducing standard region tags. Specifically, it adds retail_set_inventory tags to the SetInventory.java sample, which allows for precise extraction of this code snippet for use in Google Cloud Retail documentation.

Highlights

• Documentation Tagging: Added [START] and [END] region tags to the SetInventory.java sample file. These tags are essential for delineating specific code blocks that are intended for automated extraction and inclusion in documentation.

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[gemini-code-assist]

Code Review

The code changes add region tags to the SetInventory.java file. Added comment blocks before the region tags to improve readability.