去掉小写字母以外的数

import java.util.ArrayList; import java.util.List; import java.util.Scanner; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); String s = sc.nextLine(); String a[] = s.split(","); int[] b = new int[a.length]; for (int i = 0; i < a.length; i++) { b[i] = Integer.parseInt(a[i]); } List list = new ArrayList(); for (int i = 0; i < b.length; i++) { for (int j = 0; j < b.length; j++) { if (b[i] % b[j] == 0 && b[i] != b[j]) { list.add(b[i]); break; } } } String output = ""; for (int i = 0; i < list.size(); i++) { if (i < list.size() - 1) { output += list.get(i) + " "; } else { output += list.get(i); } } System.out.println(output); } }