[mkuttempp]

• 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

Description: Added a new method called surfaceAreaPyramid to the Area class.
The method calculates the surface area of a pyramid with a square base using the side length and slant height.
Added input validation to ensure both values are positive before performing the calculation.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.23%. Comparing base (410f087) to head (cbd67c9).

Files with missing lines	Patch %	Lines
src/main/java/com/thealgorithms/maths/Area.java	0.00%	7 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7701      +/-   ##
============================================
+ Coverage     82.22%   82.23%   +0.01%     
- Complexity     8402     8405       +3     
============================================
  Files           843      843              
  Lines         26143    26143              
  Branches       5101     5101              
============================================
+ Hits          21495    21498       +3     
  Misses         3854     3854              
+ Partials        794      791       -3     

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[mkuttempp]

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