Alvin

@alvincyh

🇸🇬 Singapore

Profile age: over 13 years

Updated 5 days ago

5 followers • 10 following

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Language Score: 17

Position: 1 / 30

Java

Advanced 5

2 stars
to reach Expert 1

Position: 243 / 2K

Language Score: 11

Top 20% of all ranked profiles

Advanced 4

4 stars
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Position: 33 / 186

Language Score: 7

Top 20% of all ranked profiles