Here you can find the source of createArrayList()
public static <T> List<T> createArrayList()
//package com.java2s; /*//ww w .j a v a 2 s .c o m * Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute * Copyright [2016-2018] EMBL-European Bioinformatics Institute * * 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 static java.util.Arrays.asList; import java.util.ArrayList; import java.util.List; public class Main { /** * Returns a typed array list */ public static <T> List<T> createArrayList() { return new ArrayList<T>(); } /** * Returns a typed array list with the given initial capacity */ public static <T> List<T> createArrayList(int initialCapacity) { return new ArrayList<T>(initialCapacity); } /** * Creates a list and populates it with the contents of args * * @param <T> * Generic type of list * @param args * Elements to go into the list * @return List of args typed accordingly */ public static <T> List<T> createArrayList(T... args) { List<T> list = createArrayList(); list.addAll(asList(args)); return list; } }