style: enable NoWhitespaceAfter in checkstyle

[vrp0211]

• [x ] I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• [x ] All functions and variable names follow Java naming conventions.
• [x ] All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• [x ] 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 51.26%. Comparing base (175c846) to head (37056bc).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5442      +/-   ##
============================================
- Coverage     51.27%   51.26%   -0.01%     
+ Complexity     3193     3192       -1     
============================================
  Files           524      524              
  Lines         15194    15194              
  Branches       2893     2893              
============================================
- Hits           7790     7789       -1     
  Misses         7083     7083              
- Partials        321      322       +1     

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