Add Javadoc comments for AnyBaseToAnyBase class

[24wh1a05q3-creator]

Added Javadoc comments to describe the algorithm and its complexities.

• 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

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.41%. Comparing base (9875648) to head (d198d8e).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7301      +/-   ##
============================================
- Coverage     79.42%   79.41%   -0.01%     
- Complexity     7059     7061       +2     
============================================
  Files           788      788              
  Lines         23129    23129              
  Branches       4548     4548              
============================================
- Hits          18370    18369       -1     
- Misses         4023     4024       +1     
  Partials        736      736              

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