/**       * 回文数字判断     *      * @param num     * @since 0.0.1     */    public void huiwen(String num){        Integer temp = (num.length())/2 ;        System.out.println(temp);        boolean flag = true;        for (int i = 0; i < num.length(); i++) {            if (temp > 0) {                if (i >= temp) {                    break;                }            }            System.out.println("num.charAt(i) = "+num.charAt(i)+";num.charAt(num.length()-1-i)"+num.charAt(num.length()-1-i));            if (num.charAt(i) != num.charAt(num.length()-1-i)) {                flag = false;                break;            }        }        if (!flag) {            System.out.println("不是回文数字");        }else{            System.out.println("是回文数字");        }    }