获取长列表的平均值

/**
nowjava.com - 时代Java
**/

//package com.nowjava;

import java.util.List;


public class Main {



    public static float getAverage(List<Long> allTimes) {

        long total = getTotal(allTimes);

        return total / (float) allTimes.size();

    }


    public static long getTotal(List<Long> times) {

        long total = 0;

        for (Long time : times) {

            total = total + time;

        }

        return total;

    }

}