FB面经 数字字符字符串

比较高频面经
ab123
ab111
比较大小， 这题具体情况还是和面试官讨论

static int method(String s1, String s2) {
    int i = 0;
    int j = 0;
    while (i < s1.length() && j < s2.length()) {
      char c1 = s1.charAt(i);
      char c2 = s2.charAt(j);
      if (Character.isDigit(c1) && Character.isDigit(c2)) {
        int n1 = c1-'0';
        int n2 = c2-'0';
        i++;
        j++;
        while (i < s1.length() && Character.isDigit(s1.charAt(i))) {
          n1 = n1*10 + s1.charAt(i) - '0';
          i++;
        }
        while (j < s2.length() && Character.isDigit(s2.charAt(j))) {
          n2 = n2*10 + s2.charAt(j) - '0';
          j++;
        }
        if (n1 > n2) {
          return 1;
        } else if (n1 < n2) {
          return -1;
        } 
      } else if (Character.isDigit(c1) && !Character.isDigit(c2)) {
        return -1;
      } else if (!Character.isDigit(c1) && Character.isDigit(c2)) {
        return 1;
      } else {
        if (c1 > c2) {
          return 1;
        } else if (c1 < c2) {
          return -1;
        } else {
          i++;
          j++;
        }
      }
    }
    
    if (i < s1.length()) {
      return 1;
    } else if (j < s2.length()) {
      return -1;
    }
    return 0;
  }