refactor: redesign ArrayCombination

[yuvashreenarayanan3]

Related to #5164.

• 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 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 40.33%. Comparing base (06927d3) to head (82aab4e).
Report is 148 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5181      +/-   ##
============================================
+ Coverage     40.32%   40.33%   +0.01%     
- Complexity     2482     2485       +3     
============================================
  Files           519      519              
  Lines         15473    15479       +6     
  Branches       2950     2950              
============================================
+ Hits           6239     6244       +5     
  Misses         8944     8944              
- Partials        290      291       +1     

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[vil02]

Thanks for having a look into this class.

[github-actions]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contribution!