ExportReportEastSunService.java

    private static boolean isPalindrome(int x) {

        if (x < 0) {
            return false;
        }

        long originalNum = x;
        long reverseNum = 0;

        while (x != 0) {
            reverseNum = reverseNum * 10 + x % 10;
            x = x / 10;
        }

        return reverseNum == originalNum;
    }