求问java大神，我小萌新，这个怎么显示答案

Question

 public static void main1 (String[]args) {
            int[]i= {2,9,5,7,8,0,-1,4,3};
            double median=median(i);
            System.out.println(median);
        }
     public static double median(int[]i) {
            Arrays.sort(i);
            System.out.println(Arrays.toString(i));
            if(i.length%2==0) {
                return(i[i.length/2]+i[i.length/2+1])/2.0;
            }else {
                return i[(i.length-1)/2];
            }
     }

Answer 1

import java.util.Arrays;

public class Test  
{
	public static void main (String[] args) {
	    int[]i= {2,9,5,7,8,0,-1,4,3};
	    double median=median(i);
	    System.out.println(median);
	}
	
	public static double median(int[]i) {
	    Arrays.sort(i);
	    System.out.println(Arrays.toString(i));
	    if(i.length%2==0) {
	        return(i[i.length/2]+i[i.length/2+1])/2.0;
        }else {
            return i[(i.length-1)/2];
        }
     }
}

[-1, 0, 2, 3, 4, 5, 7, 8, 9]
4.0