sample javadabadu

 import java.util.Random;

public class Programa {

      public static void main(String arg[]) {

            float a, b, c;

            Random rnd = new Random();

            a = (rnd.nextFloat() * 10);

            b = (rnd.nextFloat() * 10);

            c = (rnd.nextFloat() * 10);

            System.out.println(a);        

            System.out.println(b);        

            System.out.println(c);        

      }

} 

sample