Here you can find the source of toList(Iterable
Parameter | Description |
---|---|
iterable | to convert. |
T | type of the items held. |
public static <T> List<T> toList(Iterable<T> iterable)
//package com.java2s; /*// w w w .ja va 2 s .c o m * Copyright (c) [2011-2016] "Pivotal Software, Inc." / "Neo Technology" / "Graph Aware Ltd." * * This product is licensed to you under the Apache License, Version 2.0 (the "License"). * You may not use this product except in compliance with the License. * * This product may include a number of subcomponents with * separate copyright notices and license terms. Your use of the source * code for these subcomponents is subject to the terms and * conditions of the subcomponent's license, as noted in the LICENSE file. * */ import java.util.ArrayList; import java.util.Collection; import java.util.List; public class Main { /** * Convert an iterable to a list. * * @param iterable to convert. * @param <T> type of the items held. * @return a list. */ public static <T> List<T> toList(Iterable<T> iterable) { List<T> list = new ArrayList<>(); if (iterable instanceof Collection) { list.addAll((Collection<T>) iterable); } else { for (T next : iterable) { list.add(next); } } return list; } }