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java Programming Glossary: primesMost elegant way to generate prime numbers http://stackoverflow.com/questions/1042902/most-elegant-way-to-generate-prime-numbers generatePrimes int n This function generates the first n primes edit where n 1 so generatePrimes 5 will return an ArrayList.. up with ArrayList generatePrimes int toGenerate ArrayList primes new ArrayList primes.Add 2 primes.Add 3 while primes.Count toGenerate.. int toGenerate ArrayList primes new ArrayList primes.Add 2 primes.Add 3 while primes.Count toGenerate int nextPrime..
What would be the fastest method to test for primality in Java? http://stackoverflow.com/questions/2385909/what-would-be-the-fastest-method-to-test-for-primality-in-java entry.getKey Milli seconds java performance algorithm primes share improve this question Here's another way boolean isPrime.. all uneven numbers and used a prime sieve to find all primes in the range 1..Integer.MAX_VALUE . I then looped from i 1..Integer.MAX_VALUE.. import java.util.BitSet public class Main static BitSet primes static boolean isPrime int p return p 0 p 2 p 2 0 primes.get..
Fastest way to determine if an integer's square root is an integer http://stackoverflow.com/questions/295579/fastest-way-to-determine-if-an-integers-square-root-is-an-integer 255 3 5 17. Because that's a product of three distinct primes only about 1 8 of the residues mod 255 are squares. However..
Why use a prime number in hashCode? http://stackoverflow.com/questions/3613102/why-use-a-prime-number-in-hashcode prime number in hashCode I was just wondering why is that primes are used in a class's hashCode method For example when using.. Guidelines and rules for GetHashCode java hashcode primes share improve this question Because you want the number..
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