### 今日頭條，找出下一個比它大的整數

`package Integer;import java.util.Arrays;public class GetNextAsc {    public static int getNextAsc(int obj) {        String temp = obj + "";        char[] chars = temp.toCharArray();        int len = chars.length;        for (int i = 0; (len - i - 2 >= 0) && i < len; i++) {            int maxIndex = -1;            char maxValue = '9' + 1;            //獲取最小的大數值下標            for (int r = len - i - 1; r <= len - 1; r++) {                if (chars[r] > chars[len - i - 2]) {                    if (chars[r] < maxValue) {                        maxIndex = r;                        maxValue = chars[r];                    }                }            }            if (maxIndex == -1) {                continue;            } else {                //交換                char c = chars[len - i - 2];                chars[len - i - 2] = chars[maxIndex];                chars[maxIndex] = c;                //排序，從小到大                char[] subChar = Arrays.copyOfRange(chars, len - i - 1, len);                Arrays.sort(subChar);                for (int j = 0; j < i + 1; j++) {                    int k = len - i - 1 + j;                    chars[k] = subChar[j];                }                StringBuilder sb = new StringBuilder();                for (int p = 0; p < chars.length; p++) {                    sb.append(chars[p]);                }                return Integer.valueOf(sb.toString());            }        }        return -1;    }    public static void main(String[] args) {        System.out.println(getNextAsc(1111111));    }}`