题解 | 反序数

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        for (int i = 1000; i <= 1111; i++) {
            if (i * 9 == Reverse(i)) {
                System.out.println(i);
            }
        }
    }
    public static int Reverse(int x) {
        int revx = 0;
        while (x != 0) {
            revx = revx * 10;
            revx = revx + x % 10;
            x = x / 10;
        }
        return revx;
    }
}