JAVA Help

import java.util.*;
class bubblesort
{
    public static void main()
    {
        Scanner s=new Scanner(System.in);
        int arr[]=new int[10];
        int i,j,temp;
        System.out.println("Enter 10 nos.");
        for (i=0;i< 10;i++)
        {
            arr[i]=s.nextInt();
        }
        System.out.println("Before Sorting");
        for(i=0;i< 10;i++)
        {
            System.out.print(arr[i]+",");
        }
        System.out.println();
        
        //BUBBLE SORT PART
        
        for(i=0;i< 9;i++)
        {
            for(j=0;j< 9-i;j++)
            {
                if (arr[j]< arr[j+1])                    //for ascending just change < to >. NOTHING ELSE
                {                                       // descending--- <      ascending--- >
                    temp=arr[j];
                    arr[j]=arr[j+1];
                    arr[j+1]=temp;
                }
            }
        }
        
        System.out.println("After Sorting");
        for(i=0;i< 10;i++)
        {
            System.out.print(arr[i]+",");
        }
    }
}