join

Join list of strings :

//joins Iterable or Collection into a String
public static <T> String join(String delimiter, Iterable<T> lst) {
	StringBuilder str = new StringBuilder();
	Iterator<T> it = lst.iterator();
	while ( it.hasNext() ) {
		str.append(it.next().toString());
		if (it.hasNext()) str.append(delimiter);
	}
	return str.toString();
}