Duck Number in Java

1import java.util.Scanner;
2
3public class Main {
4    public static void main(String[] args) {
5        Scanner sc = new Scanner(System.in);
6        System.out.print("Enter a number: ");
7        String s = sc.nextLine();
8
9        boolean isDuck = false;
10        for (int i = 1; i < s.length(); i++) {
11            if (s.charAt(i) == '0') {
12                isDuck = true;
13                break;
14            }
15        }
16
17        if (isDuck && s.charAt(0) != '0') {
18            System.out.println(s + " is a Duck Number");
19        } else {
20            System.out.println(s + " is not a Duck Number");
21        }
22        sc.close();
23    }
24}