Create java-refactoring-extract-method.prompt.md

[riqueufmg]

Pull Request Checklist

• I have read and followed the CONTRIBUTING.md guidelines.
• My contribution adds a new instruction, prompt, or chat mode file in the correct directory.
• The file follows the required naming convention.
• The content is clearly structured and follows the example format.
• I have tested my instructions, prompt, or chat mode with GitHub Copilot.
• I have run node update-readme.js and verified that README.md is up to date.

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Description

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Type of Contribution

• New instruction file.
• [ x ] New prompt file.
• New chat mode file.
• Other (please specify):

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Additional Notes

I added an Extract Method prompt using few-shot and chain-of-thought techniques for Java.

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By submitting this pull request, I confirm that my contribution abides by the Code of Conduct and will be licensed under the MIT License.

[Copilot]

Pull Request Overview

This PR introduces a new Java refactoring prompt that demonstrates the Extract Method technique using few-shot and chain-of-thought approaches. The prompt provides structured guidance for identifying and extracting methods from complex Java code to improve code quality.

• Creates a specialized agent-mode prompt for Java Extract Method refactoring
• Includes two comprehensive examples showing before/after refactoring scenarios
• Provides clear task instructions with specific complexity thresholds and step-by-step guidance

[aaronpowell]

Please run the update script to ensure that the README is updated appropriately