Two identical algorithms exist

[YooSeonjae]

https://github.com/TheAlgorithms/Java/blob/master/Others/FindingPrimes.java
https://github.com/TheAlgorithms/Java/blob/master/Others/SieveOfEratosthenes.java

Both algorithms used the SieveOfEratosthenes algorithm as a way to find decimals.

[varunu28]

Removed the first one. closing the issue