RnG core

import java.util.Random; 
  
public class generateRandom{ 
  
    public static void main(String args[]) 
    { 
        // create instance of Random class 
        Random rand = new Random(); 
  
        // Generate random integers in range 0 to 999 
        int rand_int1 = rand.nextInt(1000); 
        int rand_int2 = rand.nextInt(1000); 
  
        // Print random integers 
        System.out.println("Random Integers: "+rand_int1); 
        System.out.println("Random Integers: "+rand_int2); 
  
        // Generate Random doubles 
        double rand_dub1 = rand.nextDouble(); 
        double rand_dub2 = rand.nextDouble(); 
  
        // Print random doubles 
        System.out.println("Random Doubles: "+rand_dub1); 
        System.out.println("Random Doubles: "+rand_dub2); 
    }