Here you can find the source of appendToTextFile(String contents, String fullPathFilename)
public static void appendToTextFile(String contents, String fullPathFilename) throws IOException
//package com.java2s; /*/*from ww w. jav a 2s. c om*/ * Copyright (C) 2011 NATSRL @ UMD (University Minnesota Duluth, US) and * Software and System Laboratory @ KNU (Kangwon National University, Korea) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.io.BufferedWriter; import java.io.FileWriter; import java.io.IOException; public class Main { public static void appendToTextFile(String contents, String fullPathFilename) throws IOException { BufferedWriter writer = new BufferedWriter(new FileWriter(fullPathFilename, true)); writer.write(contents); writer.flush(); writer.close(); } }