Here you can find the source of getSum(final List
public static double getSum(final List<Double> values)
//package com.java2s; /******************************************************************************* * Copyright (c) 2015 Vienna University of Technology. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors://www . j a va 2 s .c o m * Martin Fleck (Vienna University of Technology) - initial API and implementation * * Initially developed in the context of ARTIST EU project www.artist-project.eu *******************************************************************************/ import java.util.List; public class Main { public static double getSum(final double... values) { double sum = 0.0; if (values == null) { return sum; } for (final double value : values) { sum += value; } return sum; } public static double getSum(final double[]... values) { double sum = 0.0; if (values == null) { return sum; } for (final double[] value : values) { sum += getSum(value); } return sum; } public static double getSum(final List<Double> values) { double sum = 0.0; if (values == null) { return sum; } for (final Double value : values) { sum += value; } return sum; } }