Java List Equal equalLists(List a, List b)

Description

equal Lists

License

Open Source License

Declaration

public static <T extends Comparable<? super T>> boolean equalLists(List<T> a, List<T> b) 

Method Source Code

//package com.java2s;
/*/*from w w w . j  a  va2  s.co m*/
 * Copyright 2016 Jim O'Regan <jaoregan@tcd.ie>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

import java.util.ArrayList;
import java.util.Collections;

import java.util.List;

public class Main {
    public static <T extends Comparable<? super T>> boolean equalLists(List<T> a, List<T> b) {
        if (a == null && b == null) {
            return true;
        }
        if (a == null && b != null) {
            return false;
        }
        if (a != null && b == null) {
            return false;
        }
        if (a.size() != b.size()) {
            return false;
        }
        a = new ArrayList<T>(a);
        b = new ArrayList<T>(b);
        Collections.sort(a);
        Collections.sort(b);
        return a.equals(b);
    }
}

Related

1. equalLists(List a, List b)
2. equalLists(List aV1, List aV2)
3. equalLists(List list1, List list2)
4. equalLists(List list1, List list2)
5. equalLists(List one, List two)
6. equals(final List fromList, final List key, final int start)
7. equals(List A, List B)
8. equals(List c1, List c2)
9. equals(List list1, List list2)