Create NearestElement.java

[sravyapalla]

• 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 46 lines in your changes missing coverage. Please review.
✅ Project coverage is 75.58%. Comparing base (9484c7e) to head (2b6e096).

Files with missing lines	Patch %	Lines
...gorithms/datastructures/stacks/NearestElement.java	0.00%	46 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@ ## master #6676 +/- ## ============================================ - Coverage 75.75% 75.58% -0.18%  - Complexity 5772 5773 +1  ============================================ Files 703 704 +1 Lines 19777 19823 +46 Branches 3832 3842 +10 ============================================ + Hits 14982 14983 +1  - Misses 4215 4261 +46  + Partials 580 579 -1 

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