Here you can find the source of readFile(final File file)
public static String[] readFile(final File file) throws IOException
//package com.java2s; /*/*www. j av a 2 s . co m*/ * This file is part of the OpenSCADA project * Copyright (C) 2006-2010 TH4 SYSTEMS GmbH (http://th4-systems.com) * * OpenSCADA is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 3 * only, as published by the Free Software Foundation. * * OpenSCADA 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 Lesser General Public License version 3 for more details * (a copy is included in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU Lesser General Public License * version 3 along with OpenSCADA. If not, see * <http://opensource.org/licenses/lgpl-3.0.html> for a copy of the LGPLv3 License. */ import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.List; public class Main { public static String[] readFile(final File file) throws IOException { final BufferedReader reader = new BufferedReader(new FileReader(file)); final List<String> content = new ArrayList<String>(); String line = null; while ((line = reader.readLine()) != null) { content.add(line); } return content.toArray(new String[content.size()]); } }