为什么输出结果一直是0呢?求解答

import java.util.Scanner;public class JavaStage4Project { public static void main (String[] args){ while(true){ System.out.println("****************\n"+"欢迎使用寻找高危程序\n"+"****************\n"); System.out.println("菜单:\n"+"1.开始寻找\n"+"2.退出程序"); Scanner scanner = new Scanner(System.in); int option = scanner.nextInt(); switch (option) { case 1: System.out.println("请输入要判断的居民个数、判断逗留标准、坐标个数、左下角和右上角的边界坐标\n"+"(七个正数分别用空格隔开)"); Scanner sc = new Scanner(System.in); String inputString = sc.nextLine(); String[] stringArray = inputString.split(" "); int[] num = new int[stringArray.length]; for (int i = 0; i < stringArray.length; i++) { num[i] = Integer.parseInt(stringArray[i]); } int n,k,t,xl,yd,xr,yu; n=num[0];k=num[1];t=num[2];xl=num

你把代码的格式也粘出来啊