Java tutorial
//package com.java2s; import java.util.Map; public class Main { public static String MapToUrl(Map<?, ?> data) { StringBuffer queryString = new StringBuffer(); for (Map.Entry<?, ?> pair : data.entrySet()) { queryString.append(pair.getKey() + "="); queryString.append(pair.getValue() + "&"); } if (queryString.length() > 0) { queryString.deleteCharAt(queryString.length() - 1); } return queryString.toString(); } }