public int centeredAverage(int[] nums) {
  int min, max, sum = 0;
  min = max = nums[0];
  for (int i = 0; i < nums.length; i++) {
    min = nums[i] < min ? nums[i] : min;
    max = nums[i] > max ? nums[i] : max;
    sum += nums[i];
  }
  sum -= (max + min);
  return sum / (nums.length - 2);
}