[Leetcode]009.Palindrome Number

public class Solution {
    public boolean isPalindrome(int x) {
        if (x<0 || (x!=0 && x%10==0)) return false;

        int div = 1;
        while(x/10>=div)
            div *= 10;
        while(x>0)
        {
            if(x/div!=x%10)
                return false;
            x = (x%div)/10;
            div /= 100;
        }
        return true;  

    }
}