初学Java 二维数组找出最近的两个点

 import java.util.Scanner;

 public class FindNearestPoints {
   public static void main(String[] args) {
       Scanner input = new Scanner(System.in);
       System.out.print("Enter the number of points: ");
       int numberOfpoints = input.nextInt();

       double[][] points = new double[numberOfpoints][];
       System.out.print("Enter " + numberOfpoints + " points: ");
       for (int i = ; i < points.length; i++) {
           points[i][] = input.nextDouble();
           points[i][] = input.nextDouble();
       }

       int p1 = , p2 = ;
       double shortesDistance = distance(points[p1][], points[p1][], points[p2][], points[p2][]);
       for(int i = ; i < points.length; i++) {
           for(int j=i+; j<points.length; j++) {
               double distance = distance(points[i][], points[i][], points[j][], points[j][]); 

               if (shortesDistance > distance) {
                   p1 = i;
                   p2 = j;
                   shortesDistance = distance;
               }
           }
       }
       System.out.println("The closest tow points are " + "("+points[p1][]+", "+points[p1][]+")and("+points[p2][]+", "+points[p2][]+")");

   }
   public static double distance(
           double x1, double y1, double x2, double y2) {
       return Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
   }
 }