Ed Duarte EdDuarte
EdDuarte
/ BirthdayProblem.java
Created
July 1, 2016 13:02
Solution to the "Birthday problem" (https://en.wikipedia.org/wiki/Birthday_problem) in Java
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| // from guava library | |
| import com.google.common.collect.ContiguousSet; | |
| import com.google.common.collect.DiscreteDomain; | |
| import com.google.common.collect.Range; | |
| // change these two variables | |
| final long nPeople = 23; | |
| final long nDays = 365; | |
| ContiguousSet<Long> matrix = ContiguousSet.create( |
EdDuarte
/ Prime.java
Last active
August 4, 2019 23:16
Primality tests (Trial division, Fermat and Miller-Rabin) in Java.
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| /** | |
| * @author Ed Duarte (<a href="mailto:hi@edduarte.com">hi@edduarte.com</a>) | |
| */ | |
| public class Prime { | |
| private java.security.SecureRandom random; | |
| public Prime() { | |
| this.random = new java.security.SecureRandom(); |