Here you can find the source of mapToString(Map map)
public static String mapToString(Map map)
//package com.java2s; /**//from www . jav a2s . co m * Copyright (C) 2009 GIP RECIA http://www.recia.fr * @Author (C) 2009 GIP RECIA <contact@recia.fr> * @Contributor (C) 2009 SOPRA http://www.sopragroup.com/ * @Contributor (C) 2011 Pierre Legay <pierre.legay@recia.fr> * * 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.Map; import java.util.Set; import java.util.Iterator; public class Main { /** * spit out each name/value pair */ public static String mapToString(Map map) { Set entries = map.entrySet(); Iterator iter = entries.iterator(); StringBuffer buff = new StringBuffer(); while (iter.hasNext()) { Map.Entry entry = (Map.Entry) iter.next(); buff.append("[" + entry.getKey() + "," + entry.getValue() + "]\n"); } return buff.toString(); } }