import java.util.Arrays;

public class BinSearch
{
   public static void main(String[] args)
   {
     int[] list = {2, 4, 7, 10, 11, 45, 50, 59, 60, 70, 79};

     int index1 = Arrays.binarySearch(list, 11);  // returns 4
     int index2 = Arrays.binarySearch(list, 999); // returns a neg value
   }
}