leetcode

class  {
    public boolean isPalindrome(int x) {
        if(x<0){
            return false;
        }else {
            String s = String.valueOf(x);
            if (s.length()%2==0){
                StringBuilder reverse = new StringBuilder(s.substring(s.length() / 2)).reverse();
                return s.substring(0,s.length()/2).equals(reverse.toString());
            }else {
                return s.substring(0,s.length()/2+1).equals(new StringBuilder(s.substring(s.length()/2)).reverse().toString());
            }
        }
    }
}