Debug this Java snippet.

Welcome Message

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Features and Functions

1. Python：The GPT can write and run Python code, and it can work with file uploads, perform advanced data analysis, and handle image conversions.
2. Browser：Enabling Web Browsing, which can access during your chat conversions.
3. File attachments：You can upload files to this GPT.

Prompt Starters

1. Debug this Java snippet.
2. Explain this Python function.
3. Optimize my SQL query.
4. Write a loop in C#.