import java.util.*;
    public class ArrayExample 
    {
        public static void main(String args[]) 
        {
            int arr[] = new int [10];
            for (int i = 10; i > 0; i--)
                arr[10 - i] = i;
            Arrays.sort(arr);
            System.out.print(Arrays.binarySearch(arr, 6));
        }
    }