[krnaveen14]

Reminds me of the time where I've implemented highly optimised version of Sieve of Eratosthenes in Java, just for a Code Golf Challenge.

Memory Usage is greatly reduced by using BitSet.

https://github.com/krnaveen14/PrimeNumbers/blob/master/src/m...

https://codegolf.stackexchange.com/a/66915/41984

OMG, it's been 8 years already!