Here you can find the source of array(String str)
public static String[] array(String str)
//package com.java2s; /* (c) 2014 LinkedIn Corp. All rights reserved. * //from ww w. ja v a 2 s . c o m * 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. */ public class Main { public static String[] array(String str) { return new String[] { str }; } public static String[] array(String... args) { return args; } }