[GlChamp101]

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new algorithms include a corresponding test class that validates their functionality.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[DenizAltunkapan]

Thanks for contributing. The proposed surfaceAreaPyramid() method already exists in Area.java. Furthermore, the new method is placed outside the class declaration, resulting in invalid Java syntax. Closing this PR due to the duplicate functionality and compilation issue.