Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you 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.Collection;

public class Main {
    public static <E> ArrayList<E> iterableAsArrayList(Iterable<? extends E> elements) {
        if (elements == null) {
            throw new NullPointerException("elements");
        }
        if (elements instanceof Collection) {
            return new ArrayList<>((Collection) elements);
        } else {
            ArrayList<E> list = new ArrayList<>();
            for (E element : elements) {
                list.add(element);
            }
            return list;
        }
    }
}