Here you can find the source of saveProperties(Map
public static void saveProperties(Map<String, String> map, Writer tmpWriter) throws IOException
//package com.java2s; /*/*from ww w . j ava 2 s.c o m*/ * Licensed to GraphHopper and Peter Karich under one or more contributor * license agreements. See the NOTICE file distributed with this work for * additional information regarding copyright ownership. * * GraphHopper licenses this file to you 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.io.*; import java.util.*; import java.util.Map.Entry; public class Main { public static void saveProperties(Map<String, String> map, Writer tmpWriter) throws IOException { BufferedWriter writer = new BufferedWriter(tmpWriter); try { for (Entry<String, String> e : map.entrySet()) { writer.append(e.getKey()); writer.append('='); writer.append(e.getValue()); writer.append('\n'); } } finally { writer.close(); } } public static void close(Closeable cl) { try { if (cl != null) cl.close(); } catch (IOException ex) { throw new RuntimeException("Couldn't close resource", ex); } } }