Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * 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.ArrayList;

import java.util.List;

public class Main {
    public static boolean equals(List list1, List list2) {
        if (list1 == list2) {
            //both are the same
            return true;
        }
        if (list1 == null || list2 == null) {
            // we know both aren't null, so if one is null them obviously false
            return false;
        }
        if (list1.size() != list2.size()) {
            return false;
        }
        if (list1.isEmpty()) {
            return true;
        }
        ArrayList<?> arr = new ArrayList<>(list2);
        for (Object obj : list1) {
            if (!arr.remove(obj)) {
                return false;
            }
        }
        return true;
    }
}