/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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* Copyright 2014 ForgeRock AS
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*/
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package org.opends.server.util;
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import java.util.*;
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/**
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* Utility class for {@link Collection}s.
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*/
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public final class CollectionUtils
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{
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private CollectionUtils()
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{
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// private for utility classes
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}
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/**
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* Creates a new {@link ArrayList} with the provided elements.
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*
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* @param <E>
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* the elements' type
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* @param elements
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* the elements to add to the new ArrayList
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* @return a new ArrayList with the provided elements
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*/
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public static <E> ArrayList<E> newArrayList(E... elements)
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{
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return new ArrayList<E>(Arrays.asList(elements));
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}
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/**
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* Creates a new {@link LinkedList} with the provided elements.
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*
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* @param <E>
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* the elements' type
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* @param elements
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* the elements to add to the new LinkedList
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* @return a new LinkedList with the provided elements
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*/
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public static <E> LinkedList<E> newLinkedList(E... elements)
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{
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return new LinkedList<E>(Arrays.asList(elements));
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}
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/**
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* Creates a new {@link HashSet} with the provided elements.
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*
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* @param <E>
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* the elements' type
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* @param elements
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* the elements to add to the new HashSet
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* @return a new HashSet with the provided elements
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*/
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public static <E> HashSet<E> newHashSet(E... elements)
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{
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return new HashSet<E>(Arrays.asList(elements));
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}
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/**
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* Creates a new {@link LinkedHashSet} with the provided elements.
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*
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* @param <E>
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* the elements' type
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* @param elements
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* the elements to add to the new LinkedHashSet
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* @return a new LinkedHashSet with the provided elements
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*/
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public static <E> LinkedHashSet<E> newLinkedHashSet(E... elements)
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{
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return new LinkedHashSet<E>(Arrays.asList(elements));
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}
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/**
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* Creates a new {@link TreeSet} with the provided elements.
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*
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* @param <E>
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* the elements' type
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* @param elements
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* the elements to add to the new TreeSet
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* @return a new TreeSet with the provided elements
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*/
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public static <E> TreeSet<E> newTreeSet(E... elements)
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{
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return new TreeSet<E>(Arrays.asList(elements));
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}
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}
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