Java Collection Convert convertToIntArray(Collection col)

Description

convert To Int Array

License

Open Source License

Declaration

public static Object convertToIntArray(Collection col) 

Method Source Code

//package com.java2s;
/*/*from   w  w  w .j a  va 2 s . co  m*/
 * BackwardCompatibilityHelper.java
 *
 * Tigase Jabber/XMPP Server
 * Copyright (C) 2004-2016 "Tigase, Inc." <office@tigase.com>
 *
 * 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. Look for COPYING file in the top folder.
 * If not, see http://www.gnu.org/licenses/.
 */

import java.util.Collection;

import java.util.Iterator;

public class Main {
    public static Object convertToIntArray(Collection col) {
        int[] arr = new int[col.size()];
        int pos = 0;
        Iterator iter = col.iterator();
        while (iter.hasNext()) {
            Number v = (Number) iter.next();
            arr[pos++] = v.intValue();
        }
        return arr;
    }
}

Related

1. convertCollectionInArray(Collection coll)
2. convertCollectionStringToCSV(Collection coll, boolean valueInSingleQuotes)
3. convertCollectionType(Iterable from, C newCollection, Class listClass)
4. convertToCollection(Object source)
5. convertToHqlParameters(Collection numbers)
6. convertToPrimitive(Collection info)
7. to2DIntArray(Collection coll)
8. to2DStringArray(Collection coll)
9. toAlphaCollection(Collection collection)