Java Array Swap swapReferences(Object[] a, int index1, int index2)

Description

Method to swap to elements in an array.

License

Open Source License

Parameter

Parameter	Description
a	an array of objects.
index1	the index of the first object.
index2	the index of the second object.

Declaration

public static final void swapReferences(Object[] a, int index1,
        int index2) 

Method Source Code

//package com.java2s;
/***********************************************************************
 * mt4j Copyright (c) 2008 - 2009 C.Ruff, Fraunhofer-Gesellschaft All rights reserved.
 *  /*ww  w  .j a v a  2  s.  co  m*/
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 ***********************************************************************/

public class Main {
    /**
     * Method to swap to elements in an array.
     * 
     * @param a an array of objects.
     * @param index1 the index of the first object.
     * @param index2 the index of the second object.
     */
    public static final void swapReferences(Object[] a, int index1,
            int index2) {
        Object tmp = a[index1];
        a[index1] = a[index2];
        a[index2] = tmp;
    }
}

Related

1. swapObjects(Object[] array, int a, int b)
2. swapOrder16(byte[] buffer, int byteOffset, int sampleCount)
3. swapOrder32(byte[] buffer, int byteOffset, int sampleCount)
4. swapParallel(Object[] x, Object[] y, int a, int b, int yrel)
5. swapPerTowElement(int[] arr)
6. swapRgbColorComponents(byte[] pixelArray)
7. swapTokens(String grid[])
8. swapValues(double[] arr, double v1, double v2)
9. swapZeros(int[] input, int zeroCount)