Java Collection Mean mean(final Collection values)

Description

mean

License

Open Source License

Declaration

public static double mean(final Collection<Long> values) 

Method Source Code

//package com.java2s;
/*//from   w  ww  .j  av a  2  s  .c om
 * #%L
 * Tesora Inc.
 * Database Virtualization Engine
 * %%
 * Copyright (C) 2011 - 2014 Tesora Inc.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 * 
 * 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/>.
 * #L%
 */

import java.util.Collection;

public class Main {
    public static double mean(final Collection<Long> values) {
        final double total = sum(values);
        return total / values.size();
    }

    public static Long sum(final Collection<Long> values) {
        Long sum = 0l;
        for (final Long value : values) {
            sum += value;
        }

        return sum;
    }
}

Related

1. mean(Collection nums)
2. mean(Collection data)
3. mean(Collection dist)
4. mean(Collection vector)
5. mean(final Collection values)
6. meanAndVariance(Collection vector)