Here you can find the source of mean(List
public static double mean(List<Double> values)
//package com.java2s; /******************************************************************************* * Copyright [2014] [Joarder Kamal]/* w ww . j av a 2 s. c om*/ * * 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 * * 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.*; public class Main { public static double mean(List<Double> values) { double sum = 0; for (Double value : values) sum += value; return sum / (double) values.size(); } }