Java Collection Remove removeDuplicates(Collection original)

Description

Brute force, for when HashSet and TreeSet won't work (e.g.

License

Open Source License

Declaration

public static Collection removeDuplicates(Collection original) 

Method Source Code

//package com.java2s;
/*//  w w  w  .  j  ava2 s  . co m
 * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
 * for visualizing and manipulating spatial features with geometry and attributes.
 *
 * Copyright (C) 2003 Vivid Solutions
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * For more information, contact:
 *
 * Vivid Solutions
 * Suite #1A
 * 2328 Government Street
 * Victoria BC  V8T 5G5
 * Canada
 *
 * (250)385-6040
 * www.vividsolutions.com
 */

import java.util.ArrayList;
import java.util.Collection;

import java.util.Iterator;

public class Main {
    /**
     * Brute force, for when HashSet and TreeSet won't work (e.g. #hashCode
     * implementation isn't appropriate). The original Collection is not modified.
     */
    public static Collection removeDuplicates(Collection original) {
        ArrayList result = new ArrayList();
        for (Iterator i = original.iterator(); i.hasNext();) {
            Object item = i.next();
            if (!result.contains(item)) {
                result.add(item);
            }
        }

        return result;
    }
}

Related

1. removeArrayMarkerFromCollectionToString(Collection col)
2. removeArrayToCollection(T[] array, Collection collection)
3. removed(Collection old, Collection nu)
4. removed(Collection a, Collection b)
5. removeDuplicates(Collection collection)
6. removeDuplicates(Collection p_collection)
7. removeDuplicates(Collection objects)
8. removeDuplicates(Collection elements)
9. removeElement(Collection coll)