import java.util.Random;

public class Decile
{
    public static void main (String[] args)
    {
        Random random = new Random ();
        double number = random.nextDouble ();

        String decile;

        if (number < .1)
            decile = "0.0 to 0.1";
        else if (number < .2)
            decile = "0.1 to 0.2";
        else if (number < .3)
            decile = "0.2 to 0.3";
        else if (number < .4)
            decile = "0.3 to 0.4";
        else if (number < .5)
            decile = "0.4 to 0.5";
        else if (number < .6)
            decile = "0.5 to 0.6";
        else if (number < .7)
            decile = "0.6 to 0.7";
        else if (number < .8)
            decile = "0.7 to 0.8";
        else if (number < .9)
            decile = "0.8 to 0.9";
        else
            decile = "0.9 to 1.0";

        System.out.println ("Random number generator was " +
                            number +
                            " which falls in the " +
                            decile +
                            " decile.");
    }
}