Here you can find the source of appendLineToFile(String textToWrite, String fileName)
public static void appendLineToFile(String textToWrite, String fileName) throws IOException
//package com.java2s; /*//from w w w .j ava 2 s .c o m * Copyright (C) 2010-2012 Stichting Akvo (Akvo Foundation) * * This file is part of Akvo FLOW. * * Akvo FLOW is free software: you can redistribute it and modify it under the terms of * the GNU Affero General Public License (AGPL) as published by the Free Software Foundation, * either version 3 of the License or any later version. * * Akvo FLOW is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Affero General Public License included below for more details. * * The full license text can also be seen at <http://www.gnu.org/licenses/agpl.html>. */ import java.io.BufferedWriter; import java.io.FileWriter; import java.io.IOException; public class Main { public static void appendLineToFile(String textToWrite, String fileName) throws IOException { String eol = System.getProperty("line.separator"); FileWriter out = new FileWriter(fileName, true); BufferedWriter writer = new BufferedWriter(out); writer.write(textToWrite + eol); writer.close(); } }