Create java

[Muntasir-Mamun7]

• 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 46.26%. Comparing base (ce4eb55) to head (3d90354).

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #5371   +/-   ##
=========================================
  Coverage     46.26%   46.26%           
  Complexity     2866     2866           
=========================================
  Files           525      525           
  Lines         15410    15410           
  Branches       2916     2916           
=========================================
  Hits           7130     7130           
  Misses         7981     7981           
  Partials        299      299           

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