Answers for "program for random numbers in java"

5

Random number generator in java

// java.util.random example
import java.util.Random;
public class JavaRandomClass
{
   public static void main(String[] args)
   {
      Random random = new Random();
      // random integers in range 0 to 999 
      int randInt1 = random.nextInt(1000); 
      int randInt2 = random.nextInt(1000);
      // printing random integers
      System.out.println("Random Integers: " + randInt1); 
      System.out.println("Random Integers: " + randInt2);
      // here we are generating Random doubles
      double randDou1 = random.nextDouble(); 
      double randDou2 = random.nextDouble();
      // printing random doubles
      System.out.println("Random Doubles: " + randDou1); 
      System.out.println("Random Doubles: " + randDou2);
   }
}
Posted by: Guest on December-11-2020
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

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