Palindrome Number 回文数

 1 public class Solution {
 2     public boolean isPalindrome(int x) {
 3         if(x<0) return false;
 4 
 5         int temp = x, reverseX = 0; 
 6         while (temp > 0) { 
 7             reverseX = reverseX * 10 + temp % 10; 
 8             temp /= 10; 
 9         } 
10         return x == reverseX; 
11     }
12 }