public class  BubbleSort{    public static void main(String[] args)     {        int[] a = {1,9,6,5,8,3,6,2,5,4};        bubbleSort(a);        print(a);    }    private static void bubbleSort(int[] a)    {        int tmp;        for(int i=a.length-1; i>1; i--)        {            for(int j=0; j<i; j++)            {                if(a[j] < a[j+1])                {                    tmp = a[j];                    a[j] = a[j+1];                    a[j+1] = tmp;                }            }        }    }    private static void print(int[] a)    {        for(int i=0; i<a.length; i++)        {            System.out.print(a[i] + " ");        }        System.out.println();    }}