change func to generic rather than class

[OdunlamiZO]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 62.50000% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.88%. Comparing base (beca9fb) to head (fe95bf3).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ithub/odunlamizo/jsonbin/okhttp/JsonBinOkHttp.java	71.42%	2 Missing and 2 partials ⚠️
...rc/main/java/io/github/odunlamizo/jsonbin/App.java	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #11      +/-   ##
============================================
+ Coverage     67.36%   68.88%   +1.52%     
  Complexity       28       28              
============================================
  Files            10       10              
  Lines            95       90       -5     
  Branches          6        6              
============================================
- Hits             64       62       -2     
+ Misses           27       24       -3     
  Partials          4        4              

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