Here you can find the source of readFile(FileInputStream fileinputstream, byte abyte0[])
public static int readFile(FileInputStream fileinputstream, byte abyte0[])
//package com.java2s; /*/*from w ww. j av a2s . c om*/ This file is part of Arcadeflex. Arcadeflex 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. Arcadeflex 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 Arcadeflex. If not, see <http://www.gnu.org/licenses/>. */ import java.io.FileInputStream; import java.io.IOException; public class Main { public static int readFile(FileInputStream fileinputstream, byte abyte0[]) { try { return fileinputstream.read(abyte0); } catch (IOException ex) { System.err.println("File cannot be read."); } return -1; } }