Java List Value Add add(Object o, List oldList)

Description

add

License

Open Source License

Declaration

public static List add(Object o, List oldList) 

Method Source Code

//package com.java2s;
/* Copyright (C) 2000-2003 The Software Conservancy as Trustee.
 * All rights reserved.//from   www .j av  a 2s  . c  om
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Nothing in this notice shall be deemed to grant any rights to trademarks,
 * copyrights, patents, trade secrets or any other intellectual property of the
 * licensor or any contributor except as expressly stated herein. No patent
 * license is granted separate from the Software, for code that you delete from
 * the Software, or for combinations of the Software with other software or
 * hardware.
 */

import java.util.*;

public class Main {
    public static List add(Object o, List oldList) {
        List newList;
        if (oldList == null) {
            newList = new ArrayList(1);
        } else {
            newList = new ArrayList(oldList.size() + 1); // dont operate on the oldList, to avoid ConcurrentModifications
            newList.addAll(oldList);
        }

        newList.add(o);
        return newList;
    }
}

Related

1. add(List aList, T anObject)
2. add(List current, T toAdd)
3. add(List list, int i, T v)
4. add(List list, T element)
5. add(Map> multiValueMap, String key, Object value)
6. addElement(T element, List list)
7. addElementIfAbsent(List l, T element)
8. addElements(boolean removeDuplicates, final List result, Collection elements)
9. addElements(List list, T[] array)