Here you can find the source of newArrayList()
public static <E> ArrayList<E> newArrayList()
//package com.java2s; /*// ww w . jav a2 s . c o m * Copyright 2004-2012 the Seasar Foundation and the Others. * * 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.Collection; public class Main { public static <E> ArrayList<E> newArrayList() { return new ArrayList<E>(); } public static <E> ArrayList<E> newArrayList(final Collection<? extends E> c) { return new ArrayList<E>(c); } public static <E> ArrayList<E> newArrayList(final int initialCapacity) { return new ArrayList<E>(initialCapacity); } }