Java tutorial
//package com.java2s; import org.apache.http.NameValuePair; import org.apache.http.message.BasicNameValuePair; import java.util.HashMap; import java.util.List; public class Main { public static void mergeParam(HashMap<String, Object> params, List<NameValuePair> valuePair) { if (params != null) { for (HashMap.Entry<String, Object> entry : params.entrySet()) { String key = entry.getKey(); String value = String.valueOf(entry.getValue()); valuePair.add(new BasicNameValuePair(key, value)); } } } }