Here you can find the source of toMap(Properties props)
public static Map<String, String> toMap(Properties props)
//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/. * /* www . j a v a 2 s .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 { public static Map<String, String> toMap(Properties props) { return props == null ? new HashMap<String, String>() : new HashMap<String, String>((Map) props); } }