Here you can find the source of getAverage(List
public static double getAverage(List<Double> values)
//package com.java2s; /************************************************************************************** Copyright 2015 Applied Research Associates, Inc. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at:/*from w w w . java 2s . co m*/ http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. **************************************************************************************/ import java.util.List; public class Main { public static double getAverage(List<Double> values) { double sum = 0; for (double d : values) sum += d; return sum / values.size(); } public static double getAverage(double[] ary) { double sum = 0; for (double d : ary) sum += d; return sum / ary.length; } }