Java tutorial
//package com.java2s; import java.util.Map; import java.util.Map.Entry; public class Main { public static String serializeAttributes(Map<String, String> attributes) { String serialization = ""; for (Entry<String, String> entry : attributes.entrySet()) { serialization = concatKeyValue(serialization, entry.getKey(), entry.getValue()); } return serialization; } public static String concatKeyValue(String baseString, String key, String value) { return baseString + " " + serializeKeyValue(key, value); } private static String serializeKeyValue(String key, String value) { return key + "=\"" + value + "\""; } }