Here you can find the source of readFile(File f)
public static String readFile(File f) throws FileNotFoundException, IOException
//package com.java2s; /*// w w w. j av a2 s. c o m * This file is part of Hootenanny. * * Hootenanny 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/>. * * -------------------------------------------------------------------- * * The following copyright notices are generated automatically. If you * have a new notice to add, please use the format: * " * @copyright Copyright ..." * This will properly maintain the copyright information. DigitalGlobe * copyrights will be updated automatically. * * @copyright Copyright (C) 2015 DigitalGlobe (http://www.digitalglobe.com/) */ import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; public class Main { public static String readFile(File f) throws FileNotFoundException, IOException { byte[] baselineBuffer = new byte[(int) f.length()]; new FileInputStream(f).read(baselineBuffer); return new String(baselineBuffer); } }