Java tutorial
//package com.java2s; import java.util.ArrayList; public class Main { public static String getCommaSeperatedString(ArrayList<String> stringArrayList) { StringBuilder stringBuilder = new StringBuilder(); String sep = ", "; for (int i = 0; i < stringArrayList.size(); i++) { stringBuilder.append(stringArrayList.get(i)); if (i != stringArrayList.size() - 1) { stringBuilder.append(sep); } } return stringBuilder.toString(); } }