Here you can find the source of asList(T... objs)
public static <T> List<T> asList(T... objs)
//package com.java2s; /****************************************************************************** * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obtain one at http://mozilla.org/MPL/2.0/. * /* ww w. jav a 2s . c o m*/ * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for * the specific language governing rights and limitations under the License. * * The Original Code is: FetchMailAtt * The Initial Developer of the Original Code is: William Wong (williamw520@gmail.com) * Portions created by William Wong are Copyright (C) 2015 William Wong, All Rights Reserved. * ******************************************************************************/ import java.util.*; public class Main { /** Return list literals as list and return array as list; also handle null array. */ public static <T> List<T> asList(T... objs) { return objs != null ? Arrays.asList(objs) : new ArrayList<T>(); } }