Java tutorial
//package com.java2s; //License from project: Apache License import java.util.*; public class Main { public static <T> String printMapWithDelimiter(Map<T, T> map, String delimiter) { boolean first = true; StringBuilder sb = new StringBuilder(); for (Map.Entry<T, T> entry : map.entrySet()) { if (first) first = false; else sb.append(delimiter); sb.append(entry.getKey()).append("=").append(entry.getValue()); } return sb.toString(); } }