Java List Equal equals(List l1, List l2)

Description

Check whether two lists are equal.

License

Open Source License

Parameter

Parameter	Description
l1	List 1.
l2	List 2.

Return

A boolean.

Declaration

public static boolean equals(List<?> l1, List<?> l2) 

Method Source Code

//package com.java2s;
/*//from  ww w  .  j a v a2s  . c  o  m
 * Copyright (C) 2015 Miquel Sas
 *
 * 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 3 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, see
 * <http://www.gnu.org/licenses/>.
 */

import java.util.List;

public class Main {
    /**
     * Check whether two lists are equal.
     * 
     * @param l1 List 1.
     * @param l2 List 2.
     * @return A boolean.
     */
    public static boolean equals(List<?> l1, List<?> l2) {
        if (l1.size() != l2.size()) {
            return false;
        }
        for (int i = 0; i < l1.size(); i++) {
            if (l1.get(i) == null && l2.get(i) != null) {
                return false;
            }
            if (l1.get(i) != null && l2.get(i) == null) {
                return false;
            }
            if (l1.get(i) == null && l2.get(i) == null) {
                continue;
            }
            if (!l1.get(i).equals(l2.get(i))) {
                return false;
            }
        }
        return true;
    }
}

Related

1. equals(final List fromList, final List key, final int start)
2. equals(List A, List B)
3. equals(List c1, List c2)
4. equals(List list1, List list2)
5. equals(List lst1, List lst2)
6. equals(List list, Object o)
7. equals(List l1, List l2, boolean ignoreCase)
8. equals(List list1, List list2)
9. equals(List lhs, List rhs)