Java Collection Mean mean(Collection coll)

Description

mean

License

Open Source License

Declaration

public static double mean(Collection<? extends Number> coll) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * This file is part of jasima, v1.3, the Java simulator for manufacturing and 
 * logistics.//w  ww  . j av a  2 s.  com
 *  
 * Copyright (c) 2015       jasima solutions UG
 * Copyright (c) 2010-2015 Torsten Hildebrandt and jasima contributors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/

import java.util.Collection;

public class Main {
    public static double mean(Collection<? extends Number> coll) {
        if (coll == null || coll.size() < 1)
            throw new IllegalArgumentException();
        double res = 0;
        for (Number n : coll) {
            res += n.doubleValue();
        }
        return res / coll.size();
    }
}

Related

1. calculateMean(Collection values)
2. getMean(Collection data)
3. getMean(Collection cluster)
4. getMean(final Collection collection)
5. getVariance(Collection data, Number mean)
6. mean(Collection nums)
7. mean(Collection data)
8. mean(Collection dist)
9. mean(Collection vector)