Here you can find the source of stringFromLines(List
public static String stringFromLines(List<String> lines)
//package com.java2s; /*//from w w w . j a v a2 s . co m (C) 2007 Stefan Reich (jazz@drjava.de) This source file is part of Project Prophecy. For up-to-date information, see http://www.drjava.de/prophecy This source file is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, version 2.1. */ import java.util.*; public class Main { public static String stringFromLines(List<String> lines) { StringBuffer buf = new StringBuffer(); for (String line : lines) { buf.append(line).append('\n'); } return buf.toString(); } }