Java Array Concatenate concat(T[] arr0, @SuppressWarnings("unchecked") T[]... more)

Description

Concats the given arrays into a single array.

License

Open Source License

Parameter

Parameter	Description
arr0	First array.
more	Additional arrays to merge/concat onto the first given.

Return

Merged array

Declaration

public static final <T> T[] concat(T[] arr0, @SuppressWarnings("unchecked") T[]... more) 

Method Source Code

//package com.java2s;
/**/*from w  ww.j  a v  a2  s  . co  m*/
 * <b>NessusTools</b>: ArrayUtils<br/>
 * <small>Copyright (c)2013 Mike Duncan &lt;<a href="mailto:mike.duncan@waitwha.com">mike.duncan@waitwha.com</a>&gt;</small><p />
 *
 * <pre>
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * </pre>
 *
 * TODO Document this class/interface.
 *
 * @author Mike Duncan <mike.duncan@waitwha.com>
 * @version $Id$
 * @package com.waitwha.util
 */

import java.util.Arrays;

public class Main {
    /**
     * Concats the given arrays into a single array.
     * 
     * @param arr0   First array.
     * @param more   Additional arrays to merge/concat onto the first given.
     * @return Merged array
     */
    public static final <T> T[] concat(T[] arr0, @SuppressWarnings("unchecked") T[]... more) {
        int size = arr0.length;
        for (T[] a : more)
            size += a.length;

        T[] r = Arrays.copyOf(arr0, size);
        int o = arr0.length;
        for (T[] a : more) {
            System.arraycopy(a, 0, r, o, a.length);
            o += a.length;
        }

        return r;
    }
}

Related

1. concat(String[] strs)
2. concat(String[]... arrays)
3. concat(T val, T[] vals)
4. concat(T[] a, T[] b)
5. concat(T[] a, T[] b, T[] c, T[] d)
6. concat(T[] array, Collection collection)
7. concat(T[] array1, T[] array2)
8. concat(T[] array1, T[] array2)
9. concat(T[] first, @SuppressWarnings("unchecked") T... second)