Java List Equal isEquals(List l1, List l2)

Description

is Equals

License

Apache License

Declaration

private static boolean isEquals(List<?> l1, List<?> l2) 

Method Source Code

//package com.java2s;
/*//from  w w w. j av a 2 s.co m
Copyright [2013-2014] eBay Software Foundation
    
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
    
http://www.apache.org/licenses/LICENSE-2.0
    
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import java.util.List;

public class Main {
    public static boolean isEquals(Object obj1, Object obj2) {
        if (obj1 instanceof List && obj2 instanceof List) {
            return isEquals((List<?>) obj1, (List<?>) obj2);
        } else {
            return equal(obj1, obj2);
        }
    }

    private static boolean isEquals(List<?> l1, List<?> l2) {
        if (l1 == null && l2 == null) {
            return true;
        }

        if (l1 == null || l2 == null) {
            return false;
        }

        if (l1.size() != l2.size()) {
            return false;
        }

        for (int i = 0; i < l1.size(); i++) {
            if (!equal(l1.get(i), l2.get(i))) {
                return false;
            }
        }

        return true;
    }

    public static boolean equal(Object a, Object b) {
        return a == b || (a != null && a.equals(b));
    }
}

Related

1. isEqual(List from, List to)
2. isEqualAsMultiset(List left, List right)
3. isEqualIgnoringOrder(List left, List right)
4. isEqualList(List list1, List list2)
5. isEquals(List l1, List l2)