adding the changes into mujassam branch

[Cr7Mujassam]

• 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 73.77%. Comparing base (bd785de) to head (2cb28eb).

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #6129   +/-   ##
=========================================
  Coverage     73.77%   73.77%           
- Complexity     5120     5121    +1     
=========================================
  Files           658      658           
  Lines         17619    17619           
  Branches       3391     3391           
=========================================
+ Hits          12998    12999    +1     
  Misses         4117     4117           
+ Partials        504      503    -1     

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