rand() and srand() Functions in Java

//This is a sample program to generate a random numbers using rand() and srand()

//rand() gives long random numbers

//srand() provides unique numbers

import java.util.Random;

import java.util.UUID;

public class Rand_and_Srand 

{

    public static void main(String args[])

    {

        System.out.println("The numbers using rand");

        for(int i=0; i<5; i++)

        {

            Random rand = new Random();

            System.out.println(Math.abs(rand.nextInt()));

        }

        System.out.println("The numbers using srand");

        for(int i=0; i<5; i++)

        {

            System.out.println(Math.abs(UUID.randomUUID().getMostSignificantBits()));

        }

    }

}