Answers for "random number in ajava"

9

how to generate a random number in java

import java.util.Random;

Random rand = new Random();
int maxNumber = 10;

int randomNumber = rand.nextInt(maxNumber) + 1;

System.out.println(randomNumber);
Posted by: Guest on August-18-2020
3

random number generator java

import java.util.Random;
class GenerateRandom {
    public static void main( String args[] ) {
      Random rand = new Random(); //instance of random class
      int upperbound = 25;
        //generate random values from 0-24
      int int_random = rand.nextInt(upperbound); 
      double double_random=rand.nextDouble();
      float float_random=rand.nextFloat();
      
      System.out.println("Random integer value from 0 to" + (upperbound-1) + " : "+ int_random);
      System.out.println("Random float value between 0.0 and 1.0 : "+float_random);
      System.out.println("Random double value between 0.0 and 1.0 : "+double_random);
    }
}
Posted by: Guest on December-09-2020
0

Java random number generator

Random random = new Random();
long v1 = random.nextInt();
long v2 = random.nextInt();
for (int i = 0; i < 65536; i++) {
    long seed = v1 * 65536 + i;
    if (((seed * multiplier + addend) & mask) >>> 16) == v2) {
        System.out.println("Seed found: " + seed);
        break;
    }
}
Posted by: Guest on October-16-2021

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