Java Utililty Methods HashMap Convert

Object[][] hashMapToArray(HashMap map)
Converts a HashMap to a 2-column array {key, value}

return mapToArray(map);

String HashMapToParamsString(HashMap params)
Hash Map To Params String

String output = "";
for (String key : params.keySet()) {
 output += key + ":" + params.get(key) + " ";
return output.trim();

String hashMapToString(HashMap map)
Create a string representation of hash map as key="value" key="value" ...

StringBuffer text = new StringBuffer();
boolean isFirst = true;
for (Map.Entry<String, ?> e : map.entrySet()) {
 if (!isFirst)
 text.append(' ');
 text.append(e.getKey()).append("=\"").append(e.getValue().toString()).append('"');
 isFirst = false;
return text.toString();

ArrayList> toArrayListHashMapStrObj(Object object)
replacement of casting as from Object to ArrayList<HashMap<String, Object>> without annoying warning.

if (object == null) {
 return null;
return (ArrayList<HashMap<String, Object>>) object;