Here you can find the source of readFile(File file)
public static String[] readFile(File file)
//package com.java2s; /*Create easily accessible shortcuts to your favourite programs Copyright (C) 2014 xV3NoMzZz//from w w w .j a v a2s . c om 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.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; public class Main { public static String[] readFile(File file) { ArrayList<String> done = new ArrayList<String>(); try (BufferedReader br = new BufferedReader(new FileReader(file))) { String current; while ((current = br.readLine()) != null) { done.add(current); } } catch (IOException e) { e.printStackTrace(); } String[] posRe = (String[]) done.toArray(new String[done.size()]); return posRe; } }