Java ArrayList to Array convertIntArrayList2array(ArrayList alInput)

Description

A utility method to convert ArrayList to int[]

License

Open Source License

Parameter

Parameter	Description
alInput	ArrayList input

Return

int array

Declaration

public static Long[] convertIntArrayList2array(ArrayList alInput) 

Method Source Code

//package com.java2s;
/**/* w w w  .j a  va  2 s  . c  om*/
 * * Copyright (c) 2004 Memorial Sloan-Kettering Cancer Center
 * *
 * * Code written by: Gary Bader
 * * Authors: Gary Bader, Ethan Cerami, Chris Sander
 * *
 * * This library 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 2.1 of the License, or
 * * any later version.
 * *
 * * This library 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.  The software and
 * * documentation provided hereunder is on an "as is" basis, and
 * * Memorial Sloan-Kettering Cancer Center
 * * has no obligations to provide maintenance, support,
 * * updates, enhancements or modifications.  In no event shall the
 * * Memorial Sloan-Kettering Cancer Center
 * * be liable to any party for direct, indirect, special,
 * * incidental or consequential damages, including lost profits, arising
 * * out of the use of this software and its documentation, even if
 * * Memorial Sloan-Kettering Cancer Center
 * * has been advised of the possibility of such damage.  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 library; if not, write to the Free Software Foundation,
 * * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 * *
 * * User: Gary Bader
 * * Date: Jun 25, 2004
 * * Time: 7:00:13 PM
 * * Description: Utilities for MCODE
 */

import java.util.ArrayList;

import java.util.Iterator;

public class Main {
    /**
     * A utility method to convert ArrayList to int[]
     *
     * @param alInput ArrayList input
     * @return int array
     */
    public static Long[] convertIntArrayList2array(ArrayList alInput) {
        Long[] outputNodeIndices = new Long[alInput.size()];
        int j = 0;
        for (Iterator i = alInput.iterator(); i.hasNext(); j++) {
            outputNodeIndices[j] = ((Long) i.next()).longValue();
        }
        return (outputNodeIndices);
    }
}

Related

1. byteArrayListToByteArray(ArrayList indata)
2. byteArrayListToCharToString(ArrayList byteArrayList)
3. convertArrayListToHexString(ArrayList al)
4. convertArrayListToIntArray(ArrayList al)
5. convertStringArrayListToArray(ArrayList al)
6. doubleArrayList2Array(ArrayList a)
7. listToArray(ArrayList tempList)
8. listToIntArray(ArrayList list)