Java Collection to Array collectionToIntArray(Collection c)

Description

collection To Int Array

License

Open Source License

Declaration

static public int[] collectionToIntArray(Collection<Integer> c) 

Method Source Code

//package com.java2s;
/*//w w w .ja va 2 s.  c  o  m
 * Project Info:  http://jcae.sourceforge.net
 * 
 * This program 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 2.1 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 *
 * (C) Copyright 2005, by EADS CRC
 * (C) Copyright 2007, by EADS France
 */

import java.util.Collection;
import java.util.Iterator;

public class Main {
    static public int[] collectionToIntArray(Collection<Integer> c) {
        int[] toReturn = new int[c.size()];
        Iterator<Integer> it = c.iterator();
        for (int i = 0; i < toReturn.length; i++) {
            toReturn[i] = it.next().intValue();
        }
        return toReturn;
    }
}

Related

1. asArray(Collection collection, E[] a)
2. asBooleanArray(Collection collection)
3. asLongArray(final Collection ls)
4. asLongArray(java.util.Collection c)
5. collectionToArray(Collection collection)
6. collectionToIntArray(final Collection numbers)
7. collectionToObjectArray(Collection c)
8. collectionToObjectArray(final Collection _list)
9. convertToArray(Collection collection)