PR Summary

• Elimination of Unnecessary Import
  The "RandomService" was earlier incorporated in the file named "SingaporeIdNumber.java", but it wasn't in use. So, we've removed it to maintain the cleanliness of the code.

• Modification in Code Logic
  In the code array within the "SingaporeIdNumber.java" file, we've replaced the first element from '0' to '2', thus enhancing the underpinning logic of the code.

• Change in Random Digits Generation Method
  The approach to generating random numbers has been updated in the "generateValidIdNumber" function in the "SingaporeIdNumber.java" file. A new method from the Faker library, faker.number().randomDigits(7), replaces the previous custom randomDigits method, giving a more reliable and efficient way of generating random digits.

• Removed Redundant Method
  We've made the code more compact by removing the randomDigits method from "SingaporeIdNumber.java" since it's no longer necessary after the recent change in the random digits generation method.

• Addition of a New Method
  The "Number.java" file incorporates a fresh method randomDigits(int length). This can provide an array of random digits that match a pre-determined length, adding more flexibility to the numerical operations in the code.

• New Test for Code Dependability
  A new parameterized test named "randomDigits" has been designed in "NumberTest.java". This test ensures the accurate and reliable operation of the new randomDigits(int length) method while sticking to the given specifications.

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.43%. Comparing base (641ea02) to head (a6ec8df).

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@@             Coverage Diff              @@
##               main    #1594      +/-   ##
============================================
+ Coverage     92.32%   92.43%   +0.10%     
- Complexity     3354     3358       +4     
============================================
  Files           331      331              
  Lines          6620     6619       -1     
  Branches        655      655              
============================================
+ Hits           6112     6118       +6     
+ Misses          348      345       -3     
+ Partials        160      156       -4     

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