Here you can find the source of joinMapToString(Map extends Object, ? extends Object> map, String sSeparator, String sMidSeparator)
public static String joinMapToString(Map<? extends Object, ? extends Object> map, String sSeparator, String sMidSeparator)
//package com.java2s; /*/* w w w . j av a2 s . c om*/ * Copyright 2013 SciFY NPO <info@scify.org>. * * This product is part of the NewSum Free Software. * For more information about NewSum visit * * http://www.scify.gr/site/en/our-projects/completed-projects/newsum-menu-en * * 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. * * If this code or its output is used, extended, re-engineered, integrated, * or embedded to any extent in another software or hardware, there MUST be * an explicit attribution to this work in the resulting source code, * the packaging (where such packaging exists), or user interface * (where such an interface exists). * The attribution must be of the form "Powered by NewSum, SciFY" */ import java.util.Iterator; import java.util.Map; public class Main { public static String joinMapToString(Map<? extends Object, ? extends Object> map, String sSeparator, String sMidSeparator) { StringBuilder sb = new StringBuilder(); Iterator it = map.entrySet().iterator(); boolean First = true; while (it.hasNext()) { Map.Entry tmpEntry = (Map.Entry) it.next(); if (First) { First = false; } else { sb.append(sSeparator); } sb.append(tmpEntry.getKey()); sb.append(sMidSeparator); sb.append(tmpEntry.getValue()); } return sb.toString(); } }