Java tutorial
//package com.java2s; //License from project: Apache License import java.util.Map; public class Main { public static final String toStringMap(Map map, boolean ln) { StringBuilder sb = new StringBuilder(); boolean first = true; for (Object eo : map.entrySet()) { Map.Entry e = (Map.Entry) eo; String key = "" + e.getKey(); String value = "" + e.getValue(); if (!first) { sb.append(", "); if (ln) sb.append("\n"); } else { first = false; } sb.append(key + "=" + value); } return sb.toString(); } }