package Arrays类;

 import java.util.Arrays;

 public class TestArrays {

     public static void main(String[] args) {

         int[] a={1,9,3,5,7,8,2,6,0,4};

         System.out.println(Arrays.binarySearch(a, 9));//-11

         Arrays.sort(a);

         System.out.println(Arrays.binarySearch(a, 9));//

         int[] b=new int[9];

         Arrays.fill(b, 8);

         System.out.println(Arrays.toString(b));//[8, 8, 8, 8, 8, 8, 8, 8, 8]

     }

 }