Create MiddleOfLinkedList.java

[AYAZ2006]

• 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

❌ Patch coverage is 0% with 31 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.62%. Comparing base (e6cb96f) to head (0813ba4).
⚠️ Report is 28 commits behind head on master.

Files with missing lines	Patch %	Lines
...ithms/datastructures/lists/MiddleOfLinkedList.java	0.00%	31 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6652      +/-   ##
============================================
- Coverage     75.74%   75.62%   -0.12%     
  Complexity     5771     5771              
============================================
  Files           702      703       +1     
  Lines         19770    19801      +31     
  Branches       3832     3837       +5     
============================================
  Hits          14975    14975              
- Misses         4215     4246      +31     
  Partials        580      580              

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