Java BigInteger(int bitLength, int certainty, Random rnd) Constructor

Syntax

BigInteger(int bitLength, int certainty, Random rnd) constructor from BigInteger has the following syntax.

public BigInteger(int bitLength,   int certainty,   Random rnd)

Example

In the following code shows how to use BigInteger.BigInteger(int bitLength, int certainty, Random rnd) constructor.


import java.math.BigInteger;
import java.security.SecureRandom;
/*w w  w .j  a  v a  2  s .c o  m*/
public class Main {
  public static void main(String[] args) throws Exception {
    int bitLength = 512; // 512 bits
    SecureRandom rnd = new SecureRandom();
    int certainty = 90; // 1 - 1/2(90) certainty
    BigInteger mod = new BigInteger(bitLength, certainty, rnd);
    
    System.out.println(mod);
  }
}

The code above generates the following result.





















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