Java Collection to Array collectionToIntArray(final Collection numbers)

Description

collection To Int Array

License

Open Source License

Declaration

public static final int[] collectionToIntArray(final Collection<? extends Number> numbers) 

Method Source Code

//package com.java2s;
/*//from   w ww.j a  v  a  2s  .c o  m
 * Copyright (C) 2008-2015 by Holger Arndt
 *
 * This file is part of the Universal Java Matrix Package (UJMP).
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership and licensing.
 *
 * UJMP is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * UJMP 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with UJMP; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */

import java.util.Collection;

public class Main {
    public static final int[] collectionToIntArray(final Collection<? extends Number> numbers) {
        final int[] ret = new int[numbers.size()];
        int i = 0;
        for (Number n : numbers) {
            ret[i++] = n.intValue();
        }
        return ret;
    }
}

Related

1. asBooleanArray(Collection collection)
2. asLongArray(final Collection ls)
3. asLongArray(java.util.Collection c)
4. collectionToArray(Collection collection)
5. collectionToIntArray(Collection c)
6. collectionToObjectArray(Collection c)
7. collectionToObjectArray(final Collection _list)
8. convertToArray(Collection collection)
9. convertToArray(Collection input)