java判断回文数示例分享

/**
* 判断一个数是不是回文数，回文数就是原数与其倒置后的数相等
* 如：123321，到之后仍为123321，即为回文数
* @author lvpeiqiang
*/
public class HuiWenShu 
{

 public boolean isHuiWenShu(int num)
 {
 int s = 0;
 int bNum = num;
 int mod;
 
 //以下为把数值倒置的方法
 while(bNum != 0)
 {
  mod = bNum%10; //123%10 = 3
  s = s*10 + mod; //s = 0*10+3
  bNum = bNum/10; //bNum = 123/10=12(int自动转换)
 }
 boolean b = (s == num);
 return b;
 }
 
 public static void main(String[] args) 
 {
 HuiWenShu p = new HuiWenShu();
 boolean b = p.isHuiWenShu(123321);
 System.out.println(b);
 }
}