Java tutorial
//package com.java2s; import java.util.List; public class Main { /** * Helper method to format a list of names. * @param names The list of names */ public static String formatNames(List<String> names) { if (names == null || names.size() == 0) return ""; String namesListString = names.get(0); for (int i = 1; i < names.size(); i++) { namesListString += ", " + names.get(i); } return namesListString; } }