Average Salary Excluding the Minimum and Maximum Salary

给一个数组, 里面是salary, 求除了最大和最小数的salary的平均数.

class Solution {
    public double average(int[] salary) {
        int max = 0;
        int min = Integer.MAX_VALUE;
        double total = 0d;
        for(int s : salary) {
            max = Math.max(max, s);
            min = Math.min(min, s);
            total += s;
        }
        return (total - min - max) / (salary.length - 2);
    }
}