public class DataExample {

    public static void main (String[] argv)
    {
        DataGenerator dGen = new DataGenerator ();
        int K = 30;
        System.out.printf ("Data  Class\n");
        for (int k=0; k<K; k++) {
            dGen.generateSample ();
            System.out.printf ("%d     %d\n", dGen.getX(), dGen.getClassNum());
        }
    }

}