Java List Swap swap(List items, int index1_, int index2_)

Description

swap

License

Open Source License

Declaration

public static <T> void swap(List<T> items, int index1_, int index2_) 

Method Source Code

//package com.java2s;
/*/*from w ww  .  jav  a  2  s  .c  om*/
Copyright other contributors as noted in the AUTHORS file.
    
This file is part of 0MQ.
    
0MQ 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 3 of the License, or
(at your option) any later version.
    
0MQ 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, see <http://www.gnu.org/licenses/>.
*/

import java.util.List;

public class Main {
    public static <T> void swap(List<T> items, int index1_, int index2_) {
        if (index1_ == index2_)
            return;

        T item1 = items.get(index1_);
        T item2 = items.get(index2_);
        if (item1 != null)
            items.set(index2_, item1);
        if (item2 != null)
            items.set(index1_, item2);
    }
}

Related

1. swap(final List list, final int index1, final int index2)
2. swap(final List list, int i1, int i2)
3. swap(List list, int i, int j)
4. swap(List list, Object object1, Object object2)
5. swap(List a, int i, int j)
6. swap(List list, int i1, int i2)
7. swap(List list, int index1, int index2)
8. swap(List list, int minIndex, int maxIndex)
9. swapElements(List list, T element1, T element2)