JAVA 输出回文数

import java.util.Scanner;

public class nan {
public static int reverse1(int num) {
int l = 0, r;
while (num > 0) {
r = num % 10;
l = l * 10 + r;
num = num / 10;
}
return l;
}

public static void main(String[] args) {
// TODO Auto-generated method stub

System.out.println("please enter a intefer:");
int number;
Scanner input = new Scanner(System.in);
number = input.nextInt();
System.out.println("输出回文数：" + reverse1(number));

}
}