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Added new class CollectionUtils and new method reverseList

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Robert Vokac 2023-09-02 15:55:51 +02:00
parent 8c8fd9b88d
commit a96c15cbaa
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1 changed files with 49 additions and 0 deletions
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power-collections/src/main/java/org/nanoboot/powerframework/collections/CollectionUtils.java Normal file
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///////////////////////////////////////////////////////////////////////////////////////////////
// power-framework: Java library with many purposes of usage.
// Copyright (C) 2016-2022 the original author or authors.
//
// 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;
// version 2.1 of the License only.
//
// 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. 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
///////////////////////////////////////////////////////////////////////////////////////////////
package org.nanoboot.powerframework.collections;
import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
/**
*
*
* @author <a href="mailto:robertvokac@nanoboot.org">Robert Vokac</a>
* @since 2.0.0
*/
public class CollectionUtils {
private CollectionUtils() {
//Not meant to be instantiated.
}
public static <T> List<T> reverseList(List<T> list) {
List<T> reversedList = new ArrayList<>();
ListIterator<T> listIterator
= list.listIterator(list.size());
while (listIterator.hasPrevious()) {
T t = listIterator.previous();
reversedList.add(t);
}
return reversedList;
}
}