Java Collection to Array toIntArray(Collection collection)

Description

Copy the given Collection into a String array.

License

Sun Public License Notice

Parameter

Parameter	Description
collection	the Collection to copy

Return

the String array (null if the passed-in Collection was null)

Declaration

public static Integer[] toIntArray(Collection<Integer> collection) 

Method Source Code

//package com.java2s;
/*****************************************************************************
 *                                                                           *
 *  This file is part of the tna framework distribution.                     *
 *  Documentation and updates may be get from  biaoping.yin the author of    *
 *  this framework                          *
 *                                                                           *
 *  Sun Public License Notice:                                               *
 *                                                                           *
 *  The contents of this file are subject to the Sun Public License Version  *
 *  1.0 (the "License"); you may not use this file except in compliance with *
 *  the License. A copy of the License is available at http://www.sun.com    *
 *                                                                             *
 *  The Original Code is tag. The Initial Developer of the Original          *
 *  Code is biaoping yin. Portions created by biaoping yin are Copyright     *
 *  (C) 2000.  All Rights Reserved.                                          *
 *                                                                           *
 *  GNU Public License Notice:                                               *
 *                                                                           *
 *  Alternatively, the contents of this file may be used under the terms of  *
 *  the GNU Lesser General Public License (the "LGPL"), in which case the    *
 *  provisions of LGPL are applicable instead of those above. If you wish to *
 *  allow use of your version of this file only under the  terms of the LGPL *
 *  and not to allow others to use your version of this file under the SPL,  *
 *  indicate your decision by deleting the provisions above and replace      *
 *  them with the notice and other provisions required by the LGPL.  If you  *
 *  do not delete the provisions above, a recipient may use your version of  *
 *  this file under either the SPL or the LGPL.                              *
 *                                                                           *
 *  biaoping.yin (yin-bp@163.com)                                            *
 *  Author of Learning Java                                        *
 *                                                                           *
 *****************************************************************************/

import java.util.Collection;

public class Main {
    /**//from   w ww .  j  a  v  a  2  s . co  m
     * Copy the given Collection into a String array.
     * The Collection must contain String elements only.
     * @param collection the Collection to copy
     * @return the String array (<code>null</code> if the passed-in
     * Collection was <code>null</code>)
     */
    public static Integer[] toIntArray(Collection<Integer> collection) {
        if (collection == null) {
            return null;
        }
        return (Integer[]) collection.toArray(new Integer[collection.size()]);
    }
}

Related

1. toFloatArray(final Collection c)
2. toIntArray(Collection coll)
3. toIntArray(Collection coll)
4. toIntArray(Collection collection)
5. toIntArray(Collection collection)
6. toIntArray(Collection collection)
7. toIntArray(Collection ints)
8. toIntArray(Collection list)
9. toIntArray(Collection list)