import java.util.Arrays;

public class Demo4
{
    public static void main(String[] args)
    {
        Integer[] a = {2, 9, 8, 4, 7, 6, 1};

        System.out.println( Arrays.toString(a) + "\n");

	BubbleSort2.sort(a);

        System.out.println("\n" + Arrays.toString(a) + "\n");
    }
}